Last updated: June 24, 2025
In May, the average temperature in West Valley, United States hovers around 14°C (57°F). Expect a range from a brisk -4°C (25°F) to a warm 31°C (88°F). Be prepared for 131 mm (5.2 in) of precipitation spread over 16 days, contributing to an average humidity of 82%.
In May in West Valley, the average temperature is 14°C (57°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as -4°C (25°F). Be prepared for a wide range of temperatures when traveling this month.
In West Valley in May, the precipitation amount is 131 mm (5.2 in) during 16 days, indicating a relatively wet period for the region.
In West Valley in May, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.
In West Valley 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 West Valley.
UV Risk Categories
Weather in West Valley varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in West Valley, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (24°F) | 97 mm (3.8 inches) | 91% | moderate |
| February Weather | -3°C (27°F) | 104 mm (4.1 inches) | 91% | moderate |
| March Weather | 1°C (33°F) | 97 mm (3.8 inches) | 88% | high |
| April Weather | 7°C (44°F) | 129 mm (5.1 inches) | 88% | very high |
| May Weather | 14°C (57°F) | 131 mm (5.2 inches) | 82% | very high |
| June Weather | 18°C (65°F) | 124 mm (4.9 inches) | 79% | very high |
| July Weather | 21°C (70°F) | 152 mm (6.0 inches) | 77% | very high |
| August Weather | 20°C (68°F) | 109 mm (4.3 inches) | 72% | very high |
| September Weather | 17°C (62°F) | 83 mm (3.3 inches) | 76% | very high |
| October Weather | 11°C (52°F) | 149 mm (5.9 inches) | 83% | high |
| November Weather | 3°C (37°F) | 114 mm (4.5 inches) | 88% | moderate |
| December Weather | -1°C (30°F) | 115 mm (4.5 inches) | 87% | low |