Last updated: March 2, 2024
The weather in Promontogno, Switzerland, during May is characterized by an average temperature of 9°C (49°F). Highs can soar to 20°C (68°F), while lows may dip to -1°C (30°F). Typically, the humidity level in Promontogno throughout May hovers around 80%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Promontogno averages 150 mm (5.9 inches) of rainfall, typically over the course of 20 rainy days. The month enjoys an average of 14 hours 58 minutes of daylight, with the sun shining for approximately 11 hours 34 minutes each day. Additionally, there is a 38% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Promontogno 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 | ||||||