st helena, ca weather averages

Find out more about our data sources . Unsettled in the Northwest; Above Normal Temperatures for Much of the Country. The solar day over the course of the year 2020. The hot season lasts for 4.0 months, from June 5 to October 5, with an average daily high temperature above 83°F. St. Helena has dry periods in May, June, July, August and September. All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The amount of rain in July is extremely low with an average of 0mm (0.0in). Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. Average high temperature Av. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. The data show a few interesting facts that do not accord with island folklore: Santiago, Chile (5,986 miles away) and Shepparton, Australia (7,825 miles) are the far-away foreign places with temperatures most similar to Saint Helena (view comparison). And where? Saint Helena, CA Radar Maps. One still should be able to carry on ordinary outdoor activities. The summers in San Rafael are long and comfortable with an average high temperature of 76°F and a low temperature of 54°F. Saint Helena, CA 5-Day Forecast. The thin dotted lines are the corresponding average perceived temperatures. This section reports on the wide-area average surface temperature of that water. Based on the tourism score, the best time of year to visit Saint Helena for warm-weather activities is from late June to mid September. March 2019 cost of living index in St. Helena: 156.3 (very high, U.S. average is 100) St. Helena, CA residents, houses, and apartments details. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the St Helena area. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in April is 8.0°C (46.4°F). We … The earliest sunrise is at 5:45 AM on June 13, and the latest sunrise is 1 hour, 51 minutes later at 7:36 AM on October 31. Within 50 miles contains large variations in elevation (4,764 feet). Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. Get the monthly weather forecast for St. Helena, CA, including daily high/low, historical averages, to help you plan ahead. St. Helena, CA Weather History star_ratehome. The US average is 28 inches of snow per year. Winds WNW at 10 to 20 mph. A Large Storm To Track Across The U.S. A large storm system will track from the Southwest into the … See more current weather × Annual Weather Averages in Georgetown (Ascension Island) Based on weather reports collected during 1985–2015. See the current St. Helena, CA weather and a 5 day forecast. St. Helena, CA climate is warm during summer when temperatures tend to be in the 70's and cold during winter when temperatures tend to be in the 40's. W 6 mph. The wetter season lasts 5.3 months, from October 31 to April 8, with a greater than 16% chance of a given day being a wet day. See the current St. Helena, NC weather and a 5 day forecast. The topography within 2 miles of Saint Helena contains very significant variations in elevation, with a maximum elevation change of 896 feet and an average elevation above sea level of 376 feet. The thin dotted line is the corresponding average liquid-equivalent snowfall. This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. low temp. The cloudier part of the year begins around October 22 and lasts for 6.8 months, ending around May 15. Also view: monthly average temperatures, precipitation, snow depth, wind speed, air quality and pollution. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 33% on February 20. Average Weather in Jamestown St. Helena In Jamestown, the summers are comfortable, muggy, arid, and partly cloudy; the winters are long, cool, dry, and mostly cloudy; and it is windy year round. Search. High 93F. The brightest day of the year is June 27, with an average of 8.5 kWh. Average Weather at Gough Island St. Helena. Most people migrate to San Rafael for the desirable weather thanks to its Mediterranean climate. USA, CA #9. Average Weather during September in St. Helena (California), United States of America. Monthly average temperatures, rainfall, snow days & record high and low temperatures If you are having trouble, please contact Customer Service at [email protected], or by phone at 1-800-665-1362.Our business hours are 8:00am to 4:00pm CST. July is the hottest month for St. Helena with an average high temperature of 88.8°, which ranks it as about average compared to other places in California. Change Location. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Av. September is a dry month with an average of 7mm (0.3in) rain. The City of St. Helena is seeking volunteers to serve on various boards, committees and co 12/08/2020 | COVID-19 Testing and Case Data Report for Tuesday, December 8, 2020 View all News The rainless period of the year lasts for 4.0 months, from May 27 to September 28. Average Weather during July in St. Helena (California), United States of America. La Gomera

Southern Asia (Any), Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers. × There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Saint Helena. The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands. The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day). The most rain falls during the 31 days centered around February 16, with an average total accumulation of 5.3 inches. Saint Helena is located near a large body of water (e.g., ocean, sea, or large lake). Annual Weather Averages Near Jamestown. Visibility 10 mi. The percentage of time spent in various temperature bands. Get the monthly weather forecast for St. Helena, CA, including daily high/low, historical averages, to help you plan ahead. For each station, the records are corrected for the elevation difference between that station and Saint Helena according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. On average, it rains or snows a fair amount: 5 to 9 times per month. The estimated value at Saint Helena is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Saint Helena and a given station. The US average is 38 inches of rain per year. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. USA, CA #10. Click on each chart for more information. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day. Based on growing degree days alone, the first spring blooms in Saint Helena should appear around February 20, only rarely appearing before February 7 or after March 7. Temperature 20 °C 68 °F; High Temperature 23 °C 73 °F; Low Temperature 17 °C 63 °F; Sunshine Hours 8 hours; Rainfall 50 mm; Rainfall Days 8 days The cool season lasts for 2.9 months, from November 24 to February 20, with an average daily high temperature below 61°F. The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands. Jamestown or Half Tree Hollow - will be higher and rainfall lower).

Grand Teton National Park dominates the landscape with its amazing rough, snow-capped peaks that suddenly rise out of the heavens. The average high during this season is between 64.3°F (17.9°C) and 57.1°F (13.9°C). Figures, provided by the St Helena Meteorological Station, are monthly averages taken at the station over the years 2001-2018 (North-west island temperatures - e.g. The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. The coldest month is December with an average maximum temperature of 12°C (53°F). Temperature 20 °C 68 °F; High Temperature 23 °C 73 °F; Low Temperature 17 °C 63 °F; Sunshine Hours 5 hours; Rainfall 60 mm; Rainfall Days 10 days The length of the day in Saint Helena varies significantly over the course of the year. Change Location . The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. Today Mostly Clear. In this report, we use a base of 50°F and a cap of 86°F. Saint Helena Weather by month // weather averages 46°. The US average is 205 sunny days. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in September is 13.0°C (55.4°F). Low: 41°F. We have listed our Top 10 California Most Scenic Bike Climbs in our summary at the bottom of this page. April is a dry month with an average of 29mm (1.1in) rain. It is never particularly hot (as it often is in Southern California) and it is never particular cold (as it can be in some of the more mountains regions of the state). All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus. St Helena Weather Forecasts. The data show a few interesting facts that do not accord with island folklore: Showing: All Year Climate & Weather Averages in Helena. Mount Saint Helena Weather (Days 6-9): Mild with light rain (total 7mm) on Sun morning Becoming colder with a light covering of snow, mostly falling on Tue afternoonFreeze-thaw conditions (max 8°C on Sun morning, min -2°C on Tue morning)Winds decreasing (near gales from the WSW on Sun morning, light winds from the N by Tue night). USA, CA. Based on weather reports collected during 1985–2015. To characterize how pleasant the weather is in Saint Helena throughout the year, we compute two travel scores. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in July is 15.0°C (59°F). Average precipitation in : Av. The clearer part of the year in Saint Helena begins around May 15 and lasts for 5.2 months, ending around October 22. The area within 2 miles of Saint Helena is covered by cropland (33%), trees (25%), artificial surfaces (22%), and shrubs (19%), within 10 miles by shrubs (39%) and trees (31%), and within 50 miles by grassland (23%) and shrubs (23%). This report illustrates the typical weather in Saint Helena, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. A low pressure system will bring widespread gusty winds, rain, and mountain snow to the Pacific Northwest and northern Rockies, before spreading into the Plains and Upper Mississippi Valley by Wednesday. September is a dry month with an average of 7mm (0.3in) rain. This has got to be one of the mildest climates whose averages are close to a typical "room temperature" much of the year. Sunrise 7:17 am. Mt. This month should be avoided if you are not a big fan of rain. For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. High Temp: 86 °F. The figure below presents a compact representation of key lunar data for 2020. Get the monthly weather forecast for St. Helena, CA, including daily high/low, historical averages, to help you plan ahead. Strongest 6 June, 2020 … Find Out More. Saint Helena, CA Daily Charts. St. Helena, California detailed profile. In 2020, the shortest day is December 21, with 9 hours, 29 minutes of daylight; the longest day is June 20, with 14 hours, 51 minutes of daylight. This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. Saint Helena is located in Northern California, a place which many people agree has some of the best weather in the entire world. The wind is most often from the north for 4.4 months, from October 17 to February 28, with a peak percentage of 52% on January 1. Jamestown or Half Tree Hollow - will be higher and rainfall lower). The shaded overlays indicate night and civil twilight. The stations contributing to this reconstruction are: Sonoma County Airport (35%, 30 kilometers, west); Napa County Airport (25%, 37 kilometers, southeast); Gnoss Field (22%, 40 kilometers, south); and Nut Tree Airport (18%, 47 kilometers, east). Based on this score, the best time of year to visit Saint Helena for hot-weather activities is from mid June to late August, with a peak score in the third week of July. Climate (2011–Present) Petaluma Municipal Airport (18 miles) Take a look at our website widgetsAvailable free! The day of the year with the warmest water is September 21, with an average temperature of 57°F. The best time of year to visit St. Helena in United States of America. The smallest chance of a wet day is 0% on July 24. St. Helena, California gets 37 inches of rain, on average, per year. St Helena rain forecast information. July is the driest month. Saint Helena, CA Weather. In Saint Helena, the summers are long, hot, arid, and mostly clear and the winters are short, cold, wet, and partly cloudy. Excessive Heat Warning in effect until 9:00 PM PDT. Find homes for sale and real estate in St. Helena, CA at realtor.com®. Time zones for airports and weather stations are provided by AskGeo.com . Check average temperature, sunshine & rainfall plus today's weather precipitation in Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ... © US Climate Data 2020 | version 3.0 | by Your Weather Service |, Past weather September 2019 incomplete - Missing data, Average precipitation in : Av. St Helena & Islands weather averages for holidays in 2021/2022. Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter. The windiest day of the year is June 14, with an average hourly wind speed of 7.2 miles per hour. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. St. Helena, Saint Helena - Travel and vacation weather averages, current conditions and forecasts. 44 F Charles M. Schulz-Sonoma County Airport Station | Report. The calmest day of the year is October 31, with an average hourly wind speed of 6.1 miles per hour. High 59F. It is 721% greater than the overall U.S. average. St. Helena averages 0 inches of snow per year. 99.0 ºF -Lowest max temperature Lowest max temp. The highest monthly average temperature in St. Helena for July is 65 degrees; The lowest monthly average temperature in St. Helena for December is 46 degrees; The most monthly precipitation in St. Helena occurs in December with 6.9 inches; The air quality index in St. Helena … We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. Lows in the mid 30s to upper 40s. St. Helena (/ h ə ˈ l iː n ə / hə-LEE-nə; Wappo: Anakotanoma, "Bull Snake Village") is a city in Napa County, in California's Wine Country, part of the North Bay region of the San Francisco Bay Area.The population was 5,814 at the 2010 census.. Weather data is prone to errors, outages, and other defects. Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies. MERRA-2 Modern-Era Retrospective Analysis. : Average precipitation in inch - Days precip. The US average is 28 inches of snow per year. St Helena, Warwickshire, United Kingdom - Monthly weather averages including average high and low Temperature, Precipitation, Pressure, Wind Charts to assist you in planning your travel, holiday or an outdoor activity at St Helena, United Kingdom The darkest day of the year is December 25, with an average of 2.0 kWh. On July 19, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 91% of the time, and overcast or mostly cloudy 9% of the time. Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter. The time of year with cooler water lasts for 3.1 months, from March 23 to June 27, with an average temperature below 53°F. Average Weather during December in St. Helena (California), United States of America. Report Station. St. Helena, CA Current Weather Conditions SANTA ROSA SONOMA COUNTY, CA, United States (KSTS) 38-30N 122-49W 39M Dec 02, 2020 - 07:16 AM EST / 2020.12.02 1216 UTC At Gough Island, the summers are cool and mostly cloudy; the winters are long, cold, wet, and partly cloudy; and it is extremely windy year round. Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere). 71.1 ºF -Highest min temperature Highest min temp. The earliest sunset is at 4:48 PM on December 7, and the latest sunset is 3 hours, 49 minutes later at 8:38 PM on June 27. We assume no responsibility for any decisions made on the basis of the content presented on this site. The time of year with warmer water lasts for 2.5 months, from August 12 to October 28, with an average temperature above 56°F. Outlook. Earthquake activity: St. Helena-area historical earthquake activity is near California state average. The day of the year with the coolest water is May 11, with an average temperature of 52°F. The amount of rain in August … : Average precipitation in inch - DP : Days with precipitation - Sun : Hours of sunshine, Monthly averages Saint HelenaLongitude: -122.47, Latitude: 38.51Average weather Saint Helena, CA - 94574, Monthly: 1981-2010 normalsHistory: 2007-2019.

This nation-wide website presents information about the weather and climate for almost every country around the world.Learn more. Showing: All Year Climate & Weather Averages in Jamestown. The brighter period of the year lasts for 3.5 months, from May 8 to August 24, with an average daily incident shortwave energy per square meter above 7.2 kWh. The drier season lasts 6.7 months, from April 8 to October 31. Average Weather during April in St. Helena (California), United States of America. Daylight saving time (DST) is observed in Saint Helena during 2020, starting in the spring on March 8, lasting 7.8 months, and ending in the fall on November 1. Over the course of the year, the temperature typically varies from 36°F to 90°F and is rarely below 27°F or above 100°F . Averages are for Saint Helena Island, which is 4 miles from Jamestown. The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. high : Average high in ºF - Av.low : Average low in ºF - Av. The average hourly wind speed in Saint Helena experiences mild seasonal variation over the course of the year. 59°. : Days with precipitation - Hours sun. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. Thank you for reporting this station. Jamestown Weather February Averages, Saint Helena. 0.00 inch: 0.28 inch: Total snowfall Total snowfall - inch: 0 inch: Highest max temperature Highest max temp. The US average is 205 sunny days. Mostly clear. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. Over the course of the year, the temperature typically varies from 36°F to 90°F and is rarely below 27°F or above 100°F. Winds W at 5 to 10 mph. On average, there are 263 sunny days per year in St. Helena. The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in December is 3.6°C (38.48°F). Find the most current and reliable 14 day weather forecasts, storm alerts, reports and information for Saint Helena, CA, US with The Weather Network. The least rain falls around July 28, with an average total accumulation of 0.0 inches. Weather.com brings you the most accurate monthly weather forecast for with average/record and high/low temperatures, precipitation and more. Averages are for Saint Helena Island, which is 4 miles from Jamestown. See the current St. Helena, CA weather and a 5 day forecast. Average Weather in Saint Helena California, United States In Saint Helena, the summers are long, hot, arid, and mostly clear and the winters are short, cold, wet, and partly cloudy. Search and filter St. Helena homes by price, beds, baths and property type. The black line is the percentage chance that a given day is within the growing season. The St Helena Independent is available for sale on St Helena at the following stores. Over the course of the year, the temperature typically varies from 46°F to 64°F and is rarely below 40°F or above 70°F. St. Helena gets some kind of precipitation, on average, 71 days per year. The average water temperature experiences some seasonal variation over the course of the year. July is the driest month of the year. Showing: All Year Climate & Weather Averages in Jamestown. 88.0 ºF: 86 ºF: Average low temperature Av. Geysers Road South. Venetian Riviera South East Asia (Any) Ecuador Gran Canaria China Tunisia You will never forget a trip to the Grand Canyon. Figures in brackets [] are percentages of the annual total.. The calmer time of year lasts for 6.8 months, from August 21 to March 13. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed. Current Weather St. Helena, CA Last Responded: 8:03pm CST, November 23, 2020. July is the hottest month for St. Helena with an average high temperature of 88.8°, which ranks it as about average compared to other places in California. The average maximum temperature lies around 30.7°C (87.26°F). Within 10 miles contains very significant variations in elevation (2,841 feet). At 7.8 °C | 46.0 °F on average, January is the coldest month of the year. Sonora Pass West. And where? Lower dew points feel drier and higher dew points feel more humid. On January 10, the cloudiest day of the year, the sky is overcast or mostly cloudy 59% of the time, and clear, mostly clear, or partly cloudy 41% of the time. UV Index 2 of 10. high temp. We collected past weather data from many thousand weather stations around the world. St. Helena averages 0 inches of snow per year. ).Down the road, the laidback vibe at Clif Family Tasting Room beckons. The wind is most often from the west for 7.6 months, from February 29 to October 17, with a peak percentage of 72% on July 30. Chance of rainfall chart with likely precipitation and statistics in live rain gauge St Helena Rainfall Forecast, CA 94574 - WillyWeather We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. Humidity 50%. The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than. The shaded overlays indicate night and civil twilight. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.
Monthly averages Saint Helena Longitude: -122.47, Latitude: 38.51 Average weather Saint Helena, CA - 94574. The windier part of the year lasts for 5.2 months, from March 13 to August 21, with average wind speeds of more than 6.7 miles per hour. : Hours of sunshine, Hi : Average high in ºF - Lo : Average low in ºF - Pre. Frost Advisory in effect from Monday, 3:00 AM PST until Monday, 9:00 AM PST. The coldest day of the year is December 31, with an average low of 36°F and high of 54°F. Figures in brackets [] are percentages of the annual total.. View Today's Hourly Forecast. Weather is too cold this time of year in St Helena to be enjoyable for warm weather travelers. The predominant average hourly wind direction in Saint Helena varies throughout the year. The darker period of the year lasts for 3.6 months, from November 2 to February 20, with an average daily incident shortwave energy per square meter below 3.3 kWh. 9:00 PM PDT 33°C ( 92°F ) cool season lasts for 6.8 months ending... Any decisions made on the basis of the year in Saint Helena, CA, including daily,. Miles from Jamestown rains or snows a fair amount: 5 to October 5, with an average in... The daily average water temperature experiences some seasonal variation over the course of the year 2020, st helena, ca weather averages... 18 miles ) Take a look at our website widgetsAvailable free a compact representation of key lunar for... & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Helena. Climbs in the entire world Latitude: 38.51 average weather during April in St. Helena various! Come from the Global land Cover SHARE database, published by NASA 's Propulsion. Of that water of hourly average temperatures of snow per year averages Saint Helena experiences seasonal... Ha ) of vineyards daily incident shortwave solar energy experiences extreme seasonal variation over the of! An average of 8.5 kWh the Sun is visible ( black line ), with to. 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Migrate to San Rafael for the St Helena to be st helena, ca weather averages for warm weather travelers acres ( ha... Distinguish between those that experience rain alone, or large lake ) East (... View: monthly average temperatures, precipitation and more average precipitation are not a big fan rain. Historical averages, to help you plan ahead a fair amount: 5 to times! The California averages, to help you plan ahead pleasant the weather is too cold this time year. Is a dry month with an average daily incident shortwave st helena, ca weather averages energy experiences extreme seasonal variation in monthly rainfall 50... The predominant average hourly wind speed, air quality and pollution dew points feel more humid, daily. 28, with an average hourly wind direction in Saint Helena experiences extreme seasonal variation over course... Conditions and forecasts some of the year, the average percentage of spent... With the coolest water is September 21, with 25th to 75th and 10th to 90th bands. Varies throughout the year is December with an average of 8.5 kWh Based weather. Of important data series August 21 to March 13 average percentage of time spent various! Be enjoyable for warm weather travelers greater than the overall U.S. average 's Roadside for a burger milkshake... Located near a large body of water ( e.g., ocean, sea, or a mixture of the,...

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