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May Weather in Richmond, United States

Last updated: June 24, 2025

In Richmond, United States, the average temperature in May hovers around 13°C (56°F). During this time, temperatures can swing from a chilly -1°C (31°F) to a warm 35°C (95°F). Expect around 91 mm (3.6 in) of precipitation over 12 days, contributing to an average humidity level of 80%.

May Temperature in Richmond

In May in Richmond, the average temperature is 13°C (56°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as -1°C (31°F). This variation in temperature makes it essential to pack for both warm days and chilly nights while planning your travels.

May Weather in Richmond: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Richmond, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Richmond, May typically has an average temperature of 13°C (56°F), with highs reaching up to 35°C (95°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec202330435665716961503526
Data source: Temperature data for Richmond generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Richmond

In Richmond in May, the precipitation amount is 91 mm (3.6 in) over a period of 12 days.

May Precipitation Trends in Richmond

The chart displays monthly precipitation patterns in Richmond, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Richmond, May typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8481771099197108877115211280
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Richmond

In Richmond in May humidity is 80%. With average temperature 13°C (56°F) this humidity feels like a damp chill that seeps into your bones, making outdoor exploration more challenging and necessitating layered clothing for comfort.

May Average Humidity in Richmond

This chart illustrates the average monthly humidity levels in Richmond, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Richmond is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%86%85%80%74%76%75%78%86%89%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Richmond

In Richmond in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Richmond.

Maximum UV Index Levels in Richmond for May

The chart shows the monthly maximum UV Index (UVI) for Richmond in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Richmond typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Richmond May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Richmond Compares to Other Months

Weather in Richmond varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Richmond, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Richmond, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)84 mm (3.3 inches)93%low
February Weather-5°C (23°F)81 mm (3.2 inches)92%moderate
March Weather-1°C (30°F)77 mm (3.0 inches)86%moderate
April Weather6°C (43°F)109 mm (4.3 inches)85%very high
May Weather13°C (56°F)91 mm (3.6 inches)80%very high
June Weather18°C (65°F)97 mm (3.8 inches)74%very high
July Weather21°C (71°F)108 mm (4.2 inches)76%very high
August Weather20°C (69°F)87 mm (3.4 inches)75%very high
September Weather16°C (62°F)71 mm (2.8 inches)78%high
October Weather10°C (50°F)152 mm (6.0 inches)86%moderate
November Weather2°C (35°F)112 mm (4.4 inches)88%moderate
December Weather-3°C (26°F)80 mm (3.2 inches)89%low

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