Last updated: June 24, 2025
In May, the average temperature in Back Mountain, United States hovers around 15°C (60°F). Temperatures can vary significantly, with a minimum of -2°C (29°F) and a maximum reaching 31°C (88°F). Expect a precipitation amount of 122 mm (4.8 in) spread over 14 days, coupled with an average humidity level of 75%.
In May in Back Mountain, the average temperature is 15°C (60°F), with maximums reaching 31°C (88°F) and minimums dipping as low as -2°C (29°F). This varied climate makes it essential for travelers to pack layers and be prepared for both warm days and chilly nights.
In Back Mountain in May, the total precipitation amount is 122 mm (4.8 in) over the course of 14 days.
In Back Mountain in May, humidity is 75%. With an average temperature of 15°C (60°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities slightly uncomfortable and requiring extra hydration while exploring the sights.
In Back Mountain in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Back Mountain.
UV Risk Categories
Weather in Back Mountain varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Back Mountain, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 71 mm (2.8 inches) | 87% | moderate |
| February Weather | 0°C (32°F) | 96 mm (3.8 inches) | 85% | moderate |
| March Weather | 3°C (38°F) | 88 mm (3.5 inches) | 85% | high |
| April Weather | 9°C (49°F) | 102 mm (4.0 inches) | 83% | very high |
| May Weather | 15°C (60°F) | 122 mm (4.8 inches) | 75% | very high |
| June Weather | 20°C (68°F) | 95 mm (3.7 inches) | 73% | very high |
| July Weather | 23°C (74°F) | 118 mm (4.6 inches) | 65% | very high |
| August Weather | 22°C (72°F) | 121 mm (4.8 inches) | 62% | very high |
| September Weather | 18°C (65°F) | 102 mm (4.0 inches) | 66% | very high |
| October Weather | 13°C (55°F) | 114 mm (4.5 inches) | 79% | high |
| November Weather | 5°C (41°F) | 87 mm (3.4 inches) | 87% | moderate |
| December Weather | 1°C (34°F) | 83 mm (3.3 inches) | 85% | low |