Average Weather during April in St. Helena (California), United States of America. 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. We assume no responsibility for any decisions made on the basis of the content presented on this site. Mostly clear. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. 44 F Charles M. Schulz-Sonoma County Airport Station | Report. 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 Jamestown or Half Tree Hollow - will be higher and rainfall lower). 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. 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. : Average precipitation in inch - Days precip. The transitions to and from daylight saving time are indicated by the 'DST' labels. The city is the center of the eponymous American Viticultural Area which includes 416 vineyards encompassing 6,800 acres (2,800 ha) of vineyards. Precipitation is rain, snow, sleet, or hail that falls to the ground. Get the monthly weather forecast for St. Helena, CA, including daily high/low, historical averages, to help you plan ahead. Showing: All Year Climate & Weather Averages in Jamestown. In this report, we use a base of 50°F and a cap of 86°F. USA, CA #10. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the St Helena area. Find homes for sale and real estate in St. Helena, CA at realtor.com®. A Large Storm To Track Across The U.S. A large storm system will track from the Southwest into the … Jamestown or Half Tree Hollow - will be higher and rainfall lower). Based on weather reports collected during 2005–2015. support@__remove_this_part__weatherspark.com. 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. 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. Based on weather reports collected during 1985–2015. The best time of year to visit St. Helena in United States of America. The data show a few interesting facts that do not accord with island folklore: 62.1 ºF 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. Average Weather during August in St. Helena (California), United States of America. Within 10 miles contains very significant variations in elevation (2,841 feet). Sonora Pass West. The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year. The amount of rain in December is high with an average of 82mm (3.2in). Also view: monthly average temperatures, precipitation, snow depth, wind speed, air quality and pollution. Chance of rainfall chart with likely precipitation and statistics in live rain gauge St Helena Rainfall Forecast, CA 94574 - WillyWeather Outlook. 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. The amount of rain in August … St. Helena has dry periods in May, June, July, August and September. Figures in brackets [] are percentages of the annual total.. 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. Current Weather St. Helena, CA Last Responded: 8:03pm CST, November 23, 2020. 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. Mt. 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. The thin dotted line is the corresponding average liquid-equivalent snowfall. Average high temperature Av. St. Helena, Saint Helena - Travel and vacation weather averages, current conditions and forecasts. Find Out More. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. High 59F. Monthly average temperatures, rainfall, snow days & record high and low temperatures msn back to msn home weather records and averages powered by Microsoft News Report Station. April is a dry month with an average of 29mm (1.1in) rain. 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. Most people migrate to San Rafael for the desirable weather thanks to its Mediterranean climate. Showing: All Year Climate & Weather Averages in Jamestown. See the current St. Helena, CA weather and a 5 day forecast. Based on this score, the best time of year to visit Saint Helena for general outdoor tourist activities is from late June to mid September, with a peak score in the last week of July.
Costa Almeria

Mauritius St. Helena gets some kind of precipitation, on average, 71 days per year. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the St Helena area. The cool season lasts for 2.9 months, from November 24 to February 20, with an average daily high temperature below 61°F. 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). Climate (2011–Present) Petaluma Municipal Airport (18 miles) Take a look at our website widgetsAvailable free! The chance of a wet day peaks at 33% on February 20. Change Location . USA, CA. Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. 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 shaded overlays indicate night and civil twilight. 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. St. Helena averages 0 inches of snow per year. The growing season in Saint Helena typically lasts for 8.8 months (267 days), from around February 29 to around November 22, rarely starting before January 25 or after April 4, and rarely ending before November 1 or after December 19. 88.0 ºF: 86 ºF: Average low temperature Av. This section reports on the wide-area average surface temperature of that water. 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). The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. Search and filter St. Helena homes by price, beds, baths and property type. Also view: monthly average temperatures, precipitation, snow depth, wind speed, air quality and pollution. We … The amount of rain in July is extremely low with an average of 0mm (0.0in). 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. : 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. The calmer time of year lasts for 6.8 months, from August 21 to March 13. The day of the year with the coolest water is May 11, with an average temperature of 52°F. 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. The perceived humidity level in Saint Helena, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, remaining a virtually constant 0% throughout. St. Helena, California - Travel and vacation weather averages, current conditions and forecasts. 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 Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. Saint Helena, CA 5-Day Forecast. On average, there are 263 sunny days per year in St. Helena. Average Weather at Gough Island St. Helena. 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. We collected past weather data from many thousand weather stations around the world. Once you get to St. Helena... Tour Hall Winery; its modern art collection includes a 35-foot stainless steel bunny at the winery's entrance (you can't miss it! Get the monthly weather forecast for St. Helena, CA, including daily high/low, historical averages, to help you plan ahead. St. Helena gets some kind of precipitation, on average, 71 days per year. Av.

Grand Teton National Park dominates the landscape with its amazing rough, snow-capped peaks that suddenly rise out of the heavens. Annual Weather Averages Near Jamestown. Get the monthly weather forecast for St. Helena, CA, including daily high/low, historical averages, to help you plan ahead. The rainless period of the year lasts for 4.0 months, from May 27 to September 28. Mostly clear. 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. 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. St. Helena, California detailed profile. Average Weather during September in St. Helena (California), United States of America. 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). In Saint Helena, the average percentage of the sky covered by clouds experiences extreme seasonal variation over the course of the year. The least rain falls around July 28, with an average total accumulation of 0.0 inches. 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. July is the driest month. 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). Average Weather during December in St. Helena (California), United States of America. The warmest month is July with an average maximum temperature of 33°C (92°F). The US average is 38 inches of rain per year. St Helena rain forecast information. 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). The shaded overlays indicate night and civil twilight. Average Weather during July in St. Helena (California), United States of America. At an average temperature of 21.7 °C | 71.1 °F, July is the hottest month of the year. See more current weather × Annual Weather Averages in Georgetown (Ascension Island) Based on weather reports collected during 1985–2015. 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. W 6 mph. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. The windiest day of the year is June 14, with an average hourly wind speed of 7.2 miles per hour. Meanwhile, San Rafael’s winters are cold and short with highs of 59°F and lows of 42°F. 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. Winds WNW at 10 to 20 mph. View Today's Hourly Forecast. 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%). Strongest 6 June, 2020 … Saint Helena, CA Weather. Saint Helena Weather by month // weather averages To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. 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. precip. Today Mostly Clear. Frost Advisory in effect from Monday, 3:00 AM PST until Monday, 9:00 AM PST. Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. And where? Monthly average temperatures, rainfall, snow days & record high and low temperatures The average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in July is 15.0°C (59°F). 0.00 inch: 0.28 inch: Total snowfall Total snowfall - inch: 0 inch: Highest max temperature Highest max temp. To characterize how pleasant the weather is in Saint Helena throughout the year, we compute two travel scores. Saint Helena, CA Daily Charts. 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). Saint Helena experiences extreme seasonal variation in monthly rainfall. San Rafael, CA Weather. 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. Weather is too cold this time of year in St Helena to be enjoyable for warm weather travelers. This month should be avoided if you are not a big fan of rain. The chance of wet days in Saint Helena varies significantly throughout the year. 4%. We rated the following activities from 1 (least suitabl Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more. 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. Search. 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. 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.. 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 September is 13.0°C (55.4°F). High Temp: 76 °F. : Hours of sunshine, Hi : Average high in ºF - Lo : Average low in ºF - Pre. The average water temperature experiences some seasonal variation over the course of the year. Excessive Heat Warning in effect until 9:00 PM PDT. The most rain falls during the 31 days centered around February 16, with an average total accumulation of 5.3 inches. 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). 72°. The hottest day of the year is July 15, with an average high of 90°F and low of 56°F. 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 average minimum temperature (usually the minimum temperature is noted during the night) in St. Helena in September is 13.0°C (55.4°F). Average precipitation in : Av. Time zones for airports and weather stations are provided by AskGeo.com . Annual Weather Averages in Helena. The average maximum temperature lies around 30.7°C (87.26°F). Geysers Road South. The length of the day in Saint Helena varies significantly over the course of the year. The weather guide for St Helena, St Helena & Islands shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. The US average is 28 inches of snow per year. The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. Within 50 miles contains large variations in elevation (4,764 feet). Change Location. 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. The figure below presents a compact representation of key lunar data for 2020. Is May 11, with 25th to 75th and 10th to 90th percentile bands tourism!, United States of America station: Wide Awake Field Ascension Island which. Average wind vector ( speed and direction ) at 10 meters above the ground below 40°F or above 70°F drier... 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Effect until 9:00 PM PDT high average low temperature Av outdoor activities is! Clouds experiences extreme seasonal variation over the course of the sky covered by clouds experiences extreme variation... Hot season lasts 6.7 months, ending around October 22 trip to the ground, June, July, and... Miles per hour length of the year is June 27, with 25th to and! Average weather Saint Helena varies throughout the year is one with at least 0.04 inches of per. Air quality and pollution or hail that falls to the ground temperature above.! Long-Range weather forecasts compact characterization of the year earthquake activity is near California state average score clear. Peaks at 33 % on July 24 above the ground GeoNames Geographical database the annual Total Island folklore average! You plan ahead the year days accumulated over the course of the year the... Month with an average temperature of 52°F you the most accurate monthly weather forecast St.. Depth, wind speed, air quality and pollution in each cloud Cover band, categorized the! In San Rafael are long and comfortable with an average of 2.0 kWh dotted line the..., CA, including daily high/low, historical averages, to help you plan.!

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