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%.
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.
In Black Diamond in May, the total precipitation amount is 69 mm (2.7 in) spread across 11 days.
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.
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.
UV Risk Categories
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.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
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 Weather | 2°C (36°F) | 47 mm (1.8 inches) | 84% | high |
May Weather | 9°C (49°F) | 69 mm (2.7 inches) | 80% | very high |
June Weather | 14°C (58°F) | 82 mm (3.2 inches) | 79% | very high |
July Weather | 16°C (62°F) | 70 mm (2.7 inches) | 80% | very high |
August Weather | 16°C (61°F) | 51 mm (2.0 inches) | 77% | very high |
September Weather | 10°C (51°F) | 47 mm (1.9 inches) | 74% | high |
October Weather | 3°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 |