Last updated: June 24, 2025
In May, the average temperature in Blue Mountain, United States hovers around 22°C (72°F). Expect a range from a cool 5°C (42°F) to a scorching 36°C (96°F). During this month, the area sees about 109 mm (4.3 in) of precipitation spread over 11 days, contributing to an average humidity of 83%. Enjoy the warm days while preparing for those refreshing rain showers!
In May in Blue Mountain, the average temperature is 22°C (72°F). The maximum can reach 36°C (96°F) and the minimum can be as low as 5°C (42°F). It's a perfect time to pack both light clothing for the warm days and a jacket for the cooler evenings.
In Blue Mountain in May, the precipitation amount is 109 mm (4.3 in), occurring over a span of 11 days.
In Blue Mountain in May humidity is 83%. With average temperature 22°C (72°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities challenging and prompting travelers to seek shade or frequent stops for hydration.
In Blue Mountain in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Blue Mountain.
UV Risk Categories
Weather in Blue Mountain varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Blue Mountain, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (43°F) | 113 mm (4.5 inches) | 86% | moderate |
| February Weather | 8°C (47°F) | 180 mm (7.1 inches) | 85% | high |
| March Weather | 13°C (56°F) | 157 mm (6.2 inches) | 84% | very high |
| April Weather | 16°C (61°F) | 146 mm (5.7 inches) | 81% | very high |
| May Weather | 22°C (72°F) | 109 mm (4.3 inches) | 83% | extreme |
| June Weather | 25°C (78°F) | 125 mm (4.9 inches) | 83% | extreme |
| July Weather | 27°C (81°F) | 133 mm (5.2 inches) | 80% | extreme |
| August Weather | 26°C (80°F) | 119 mm (4.7 inches) | 73% | very high |
| September Weather | 24°C (76°F) | 123 mm (4.8 inches) | 70% | very high |
| October Weather | 18°C (65°F) | 106 mm (4.2 inches) | 73% | high |
| November Weather | 10°C (51°F) | 79 mm (3.1 inches) | 85% | moderate |
| December Weather | 8°C (48°F) | 153 mm (6.0 inches) | 88% | moderate |