Last updated: March 2, 2024
The weather in Zermatt, Switzerland, during May is characterized by an average temperature of 2°C (37°F). Highs can soar to 12°C (54°F), while lows may dip to -7°C (19°F). Typically, the humidity level in Zermatt throughout May hovers around 74%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Zermatt averages 180 mm (7.1 inches) of rainfall, typically over the course of 20 rainy days. The month enjoys an average of 14 hours 57 minutes of daylight, with the sun shining for approximately 12 hours 10 minutes each day. Additionally, there is a 31% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Zermatt reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 2 | 3 | 5 | 7 | 9 | 9 | 9 | 8 | 6 | 4 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||