nomadseason

May Weather in Black Diamond, Canada

Last updated: June 18, 2025

In May, the average temperature in Black Diamond, Canada hovers around 9°C (49°F). Expect minimums as low as -8°C (17°F) and maximums reaching up to 28°C (82°F). This month sees precipitation totaling 69 mm (2.7 in) across approximately 11 days, contributing to an average humidity level of 80%.

May Temperature in Black Diamond

In May in Black Diamond, the average temperature is 9°C (49°F), with maximums reaching up to 28°C (82°F) and minimums dropping as low as -8°C (17°F). This variation makes it essential for travelers to pack versatile clothing to stay comfortable in changing weather conditions.

May Weather in Black Diamond: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Black Diamond, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Black Diamond, May typically has an average temperature of 9°C (49°F), with highs reaching up to 28°C (82°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec201427364957626151382920
Data source: Temperature data for Black Diamond generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Black Diamond

In Black Diamond in May, the total precipitation amount is 69 mm (2.7 in) spread across 11 days.

May Precipitation Trends in Black Diamond

The chart displays monthly precipitation patterns in Black Diamond, 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 Black Diamond, May typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec93131476982705147342726
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Black Diamond

In Black Diamond in May, humidity is 80%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting a need for layered clothing to stay comfortable while traveling.

May Average Humidity in Black Diamond

This chart illustrates the average monthly humidity levels in Black Diamond, 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 Black Diamond is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%93%88%84%80%79%80%77%74%80%86%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Black Diamond

In Black Diamond in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Black Diamond.

Maximum UV Index Levels in Black Diamond for May

The chart shows the monthly maximum UV Index (UVI) for Black Diamond 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 Black Diamond typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235688987421
Data source: Black Diamond 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 Black Diamond Compares to Other Months

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

This table compares monthly weather conditions in Black Diamond, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)9 mm (0.4 inches)91%low
February Weather-10°C (14°F)31 mm (1.2 inches)93%moderate
March Weather-3°C (27°F)31 mm (1.2 inches)88%moderate
April Weather2°C (36°F)47 mm (1.8 inches)84%high
May Weather9°C (49°F)69 mm (2.7 inches)80%very high
June Weather14°C (58°F)82 mm (3.2 inches)79%very high
July Weather16°C (62°F)70 mm (2.7 inches)80%very high
August Weather16°C (61°F)51 mm (2.0 inches)77%very high
September Weather10°C (51°F)47 mm (1.9 inches)74%high
October Weather3°C (38°F)34 mm (1.3 inches)80%moderate
November Weather-2°C (29°F)27 mm (1.1 inches)86%low
December Weather-6°C (21°F)26 mm (1.0 inches)92%low

Compare Black Diamond's Climate with Cities Worldwide