Over the course of the year, the temperature typically varies from 29°F to 89°F and is rarely below 16°F or above 96°F. With an average of 18.6 °C | 65.5 °F, September is the warmest month. Find out how often it rains, snows, and the gets cold or hot in Richmond. 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. Historical weather data available. Monte Patria, Chile (5,791 miles away); Alhadas, Portugal (5,605 miles); and Melbourne, Australia (7,883 miles) are the far-away foreign places with temperatures most similar to Richmond (view comparison). For each station, the records are corrected for the elevation difference between that station and Richmond according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations. The average hourly wind speed in Richmond experiences mild seasonal variation over the course of the year. The area within 2 miles of Richmond is covered by artificial surfaces (95%), within 10 miles by water (48%) and artificial surfaces (27%), and within 50 miles by water (32%) and grassland (21%). Earthquake activity: Richmond-area historical earthquake activity is near California state average. 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. Time zones for airports and weather stations are provided by AskGeo.com . 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. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. 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. On average January is the 4th driest month of the year in Richmond with around 3.1 inches of rain making it a reasonably dry time to visit. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. ): 0 [The annual snowfall in inches.Precipitation Days: 59 [The annual number of days with measurable precipitation (over .01 inch).Sunny Days: 262 [The average number of days per year that are predominantly sunny.Average July High Temperature: 70 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). The least rain falls around July 30, with an average total accumulation of 0.0 inches. ... 43 ° Record High 74 ° (2009) Record Low 28 ° (2007) Average Rainfall 4.88 in. The percentage of time spent in various temperature bands. It is 739% greater than the overall U.S. average. The lowest average temperatures in the year occur in January, when it is around 9.8 °C | 49.6 °F. In Richmond, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year. Click here to create an account…, The highest monthly average temperature in, The lowest monthly average temperature in Richmond for December is 47 degrees, The most monthly precipitation in Richmond occurs in January with 3.3 inches, The air quality index in Richmond is 20% better than the national average, The pollution index in Richmond is 62% worse than the national average. Average Weather in Richmond Virginia, United States. Richmond, California - Travel and vacation weather averages, current conditions and forecasts. The percentage of time spent at various humidity comfort levels, categorized by dew point. Station Data. ): 23.1 [The annual rainfall in inches.Snowfall (in. Richmond, CA . The annual BestPlaces Comfort Index for Richmond is 8.6 (10=best), which means it is more comfortable than most places in California. Summer High: the July high is around 75 degrees Winter Low: the January low is 43 Rain: averages 28 inches of rain a year Snow: averages 0 inches of snow a year. Daylight saving time (DST) is observed in Richmond during 2021, starting in the spring on March 14, lasting 7.8 months, and ending in the fall on November 7. The time of year with warmer water lasts for 2.4 months, from August 7 to October 20, with an average temperature above 57°F. AdChoices. Weather Statistics for Richmond, CA . The predominant average hourly wind direction in Richmond varies throughout the year. From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night. Temperatures in Richmond are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. The solar day over the course of the year 2021. Richmond Temperatures: Averages by Month The numbers here tell you how hot and cold the weather usually is in Richmond, Virginia during each month of the year. The most daily sunshine hours in Richmond are 14 in July. The brightest day of the year is June 27, with an average of 8.4 kWh. On January 11, the cloudiest day of the year, the sky is overcast or mostly cloudy 55% of the time, and clear, mostly clear, or partly cloudy 45% of the time. Get the monthly weather forecast for Richmond, CA, including daily high/low, historical averages, to help you plan ahead. Richmond, USA: Annual Weather Averages. Weather Statistics for East Richmond Heights, CA . 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 . Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. The smallest chance of a wet day is 0% on July 19. The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands. Lower dew points feel drier and higher dew points feel more humid. Over the course of the year, the temperature typically varies from 42°F to 77°F and is rarely below 35°F or above 87°F. The calmer time of year lasts for 6.5 months, from August 28 to March 11. In Richmond, … Yearly wind and weather averages for Richmond Marina Bay . This rainfall is typically spread over 14 days, although this may vary considerably. There is more rainfall in the winter than in the summer in Richmond. The drier season lasts 6.9 months, from April 8 to November 4. Historical Weather. A climate graph showing rainfall, temperatures and normals. To characterize how pleasant the weather is in Richmond throughout the year, we compute two travel scores. Loading weather data. Find the best time to go to Richmond (California). The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year. Richmond Weather Forecasts. 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. The estimated value at Richmond is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Richmond and a given station. The coldest day of the year is January 1, with an average low of 42°F and high of 55°F. Richmond October weather guide. Smog and pollution fill this area. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages. Weather data is prone to errors, outages, and other defects. How would you rate the air quality in Richmond? Poor. Rainfall (in. The darker period of the year lasts for 3.5 months, from November 4 to February 18, with an average daily incident shortwave energy per square meter below 3.4 kWh. The predominant average hourly wind direction in Richmond, CA entirely meaningful to discuss the growing.. 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