Last updated: March 2, 2024
The weather in Promontogno, Switzerland, during April is characterized by an average temperature of 5°C (42°F). Highs can soar to 16°C (62°F), while lows may dip to -5°C (23°F). Typically, the humidity level in Promontogno throughout April hovers around 84%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Promontogno averages 112 mm (4.4 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 13 hours 34 minutes of daylight, with the sun shining for approximately 11 hours 11 minutes each day. Additionally, there is a 46% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Promontogno reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, 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 | 1 | 2 | 4 | 6 | 7 | 8 | 8 | 7 | 5 | 3 | 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 | ||||||