Last updated: August 27, 2025
In May, the average temperature in Wil, Switzerland hovers around 13°C (56°F), with extremes ranging from a chilly 0°C (33°F) to a warm 30°C (86°F). Expect 129 mm (5.1 in) of precipitation over approximately 17 days, contributing to a notably high average humidity of 80%. Whether you're basking in the sun or seeking shelter from the rain, be prepared for a month of diverse weather!
In May, in Wil, the average temperature is 13°C (56°F). Maximum temperatures can reach 30°C (86°F), while minimums can dip as low as 0°C (33°F). Travelers should be prepared for a wide range of temperatures during this time of year.
In Wil in May, the total precipitation amount reaches 129 mm (5.1 in), occurring over a span of 17 days.
In Wil in May humidity is 80%. With average temperature 13°C (56°F) this humidity feels like a damp chill that seeps into your bones, making outdoor exploration more challenging and necessitating layered clothing for comfort.
In Wil 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 Wil.
UV Risk Categories
Weather in Wil varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Wil, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 101 mm (4.0 inches) | 92% | low |
| February Weather | 3°C (38°F) | 80 mm (3.1 inches) | 89% | moderate |
| March Weather | 6°C (43°F) | 90 mm (3.6 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 67 mm (2.6 inches) | 84% | high |
| May Weather | 13°C (56°F) | 129 mm (5.1 inches) | 80% | very high |
| June Weather | 19°C (66°F) | 151 mm (5.9 inches) | 82% | very high |
| July Weather | 20°C (68°F) | 111 mm (4.4 inches) | 83% | very high |
| August Weather | 20°C (68°F) | 139 mm (5.5 inches) | 80% | very high |
| September Weather | 15°C (60°F) | 100 mm (3.9 inches) | 83% | high |
| October Weather | 11°C (52°F) | 107 mm (4.2 inches) | 90% | moderate |
| November Weather | 5°C (42°F) | 65 mm (2.6 inches) | 88% | low |
| December Weather | 3°C (37°F) | 127 mm (5.0 inches) | 90% | low |