May Weather in Richmond, Canada

Last updated: June 18, 2025

In Richmond, Canada, the average temperature in May stands at 13°C (55°F), with temperatures ranging from a chilly -1°C (30°F) to a sweltering 35°C (95°F). Be prepared for some rain, as the area experiences approximately 107 mm (4.2 in) of precipitation over about 13 days. With an average humidity of 78%, it's a month that combines warmth and occasional moisture, perfect for enjoying the beauty of the season.

May Temperature in Richmond

In May in Richmond, the average temperature is 13°C (55°F). Maximum temperatures can reach 35°C (95°F), while minimums can drop as low as -1°C (30°F). This varied climate makes Richmond an intriguing destination for travelers, offering both warm days and chilly nights to experience.

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 (55°F), with highs reaching up to 35°C (95°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec171928425564696759483323
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 total precipitation amount is 107 mm (4.2 in) distributed over a span of 13 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 107 mm (4.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec8984851181071331141257413611788
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 78%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket enveloping you, making outdoor activities feel steamy and your clothes cling uncomfortably, often leaving you longing for a cool breeze or an air-conditioned escape while exploring.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%78%72%75%74%77%85%86%85%
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.
JanFebMarAprMayJunJulAugSepOctNovDec245799887532
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-8°C (17°F)89 mm (3.5 inches)91%low
February Weather-7°C (19°F)84 mm (3.3 inches)89%moderate
March Weather-2°C (28°F)85 mm (3.3 inches)85%moderate
April Weather5°C (42°F)118 mm (4.7 inches)84%high
May Weather13°C (55°F)107 mm (4.2 inches)78%very high
June Weather18°C (64°F)133 mm (5.2 inches)72%very high
July Weather21°C (69°F)114 mm (4.5 inches)75%very high
August Weather20°C (68°F)125 mm (4.9 inches)74%very high
September Weather15°C (60°F)74 mm (2.9 inches)77%high
October Weather9°C (49°F)136 mm (5.4 inches)85%moderate
November Weather1°C (33°F)117 mm (4.6 inches)86%moderate
December Weather-5°C (23°F)88 mm (3.5 inches)85%low

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