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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 12°C (54°F), offering a mild climate ideal for outdoor activities. Expect minimum temperatures to drop to 2°C (35°F), while the mercury may rise to a delightful 29°C (84°F) on warmer days. Just remember to pack an umbrella, as 73 mm (2.9 in) of precipitation is likely over 10 days, accompanied by an average humidity of 79%. Enjoy your time exploring!

May Temperature in Richmond

In May in Richmond, the average temperature is 12°C (54°F). Maximum temperatures can reach 29°C (84°F), while the minimum can drop as low as 2°C (35°F). This diverse range of temperatures makes Richmond an exciting destination for travelers seeking both mild and warm weather.

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 12°C (54°F), with highs reaching up to 29°C (84°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec262733445464707063534030
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 73 mm (2.9 in) over the course of 10 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 73 mm (2.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec84857111873611107471128111121
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 79%. With an average temperature of 12°C (54°F), this humidity makes traveling feel quite muggy, leading to a sticky discomfort that can sap your energy and make outdoor activities less enjoyable.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%84%79%79%86%85%83%80%77%80%81%
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.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
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-4°C (26°F)84 mm (3.3 inches)85%low
February Weather-3°C (27°F)85 mm (3.3 inches)86%moderate
March Weather1°C (33°F)71 mm (2.8 inches)84%moderate
April Weather7°C (44°F)118 mm (4.6 inches)79%high
May Weather12°C (54°F)73 mm (2.9 inches)79%very high
June Weather18°C (65°F)61 mm (2.4 inches)86%very high
July Weather21°C (71°F)110 mm (4.3 inches)85%very high
August Weather21°C (71°F)74 mm (2.9 inches)83%very high
September Weather17°C (64°F)71 mm (2.8 inches)80%high
October Weather12°C (53°F)128 mm (5.1 inches)77%moderate
November Weather4°C (40°F)111 mm (4.4 inches)80%moderate
December Weather-1°C (30°F)121 mm (4.8 inches)81%low

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