Last updated: June 24, 2025
In West Salem, United States, the average temperature in May hovers around 15°C (59°F). Temperatures can range from a chilly 0°C (32°F) to a sizzling 35°C (95°F). Be prepared for some wet days, as the region receives approximately 137 mm (5.4 in) of precipitation over 14 days. With an average humidity of 75%, it’s advisable to dress comfortably for the sticky weather!
In May in West Salem, the average temperature is 15°C (59°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 0°C (32°F). It's advisable to pack for a range of temperatures to fully enjoy your travels during this time.
In West Salem in May, the precipitation amount is 137 mm (5.4 in) spread over 14 days.
In West Salem in May, humidity is 75%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making it feel more oppressive than refreshing, which can be a challenge for travelers seeking comfort while exploring the area.
In West Salem in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in West Salem.
UV Risk Categories
Weather in West Salem varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in West Salem, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 36 mm (1.4 inches) | 84% | low |
| February Weather | -6°C (21°F) | 50 mm (2.0 inches) | 85% | moderate |
| March Weather | 2°C (35°F) | 57 mm (2.2 inches) | 84% | moderate |
| April Weather | 7°C (45°F) | 86 mm (3.4 inches) | 83% | very high |
| May Weather | 15°C (59°F) | 137 mm (5.4 inches) | 75% | very high |
| June Weather | 21°C (71°F) | 125 mm (4.9 inches) | 79% | very high |
| July Weather | 23°C (74°F) | 100 mm (3.9 inches) | 75% | very high |
| August Weather | 21°C (70°F) | 121 mm (4.8 inches) | 69% | very high |
| September Weather | 18°C (64°F) | 105 mm (4.1 inches) | 74% | high |
| October Weather | 10°C (50°F) | 114 mm (4.5 inches) | 79% | moderate |
| November Weather | 2°C (35°F) | 51 mm (2.0 inches) | 88% | moderate |
| December Weather | -3°C (27°F) | 45 mm (1.8 inches) | 82% | low |