Average annual temperature is 11.8 °C
Absolute maximum temperature: 31.9 °C
Absolute minimum temperature: -4.9 °C
Number of sunny days: 153 days
Number of rainy days: 204 days
Number of snow days: 8 days
Look at detailed online map of Fosso
* Weather data for Fosso Switzerland is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 13.0 | 14.5 | 16.1 | 17.7 | 23.6 | 28.0 | 28.7 | 31.9 | 25.3 | 27.5 | 15.8 | 16.7 |
| Average daytime temperature (°C) | 6.6 | 9.3 | 11.7 | 14.1 | 17.8 | 22.9 | 24.5 | 25.0 | 21.6 | 17.7 | 10.3 | 8.6 |
| Average temperature (°C) | 3.1 | 4.5 | 7.4 | 9.5 | 14.0 | 18.8 | 20.7 | 20.9 | 17.8 | 14.1 | 6.2 | 4.5 |
| Average night temperature (°C) | 0.1 | 0.5 | 2.9 | 5.0 | 10.4 | 14.6 | 16.7 | 16.9 | 14.3 | 11.0 | 2.8 | 1.2 |
| Absolute minimum temperature (°C) | -3.6 | -4.9 | -2.8 | -2.3 | 6.8 | 11.3 | 13.8 | 11.7 | 10.0 | 7.0 | -0.4 | -3.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.4 | 11.9 | 13.5 | 14.9 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 5.2 | 7.6 | 8.1 | 9.4 | 9.5 | 12.2 | 12.3 | 10.9 | 9.3 | 6.9 | 6.4 | 5.5 |
| Precipitation (mm) | 53 | 15 | 92 | 194 | 198 | 165 | 241 | 266 | 245 | 291 | 106 | 73 |
| Sunny days | 14 | 20 | 14 | 11 | 2 | 6 | 6 | 16 | 14 | 12 | 18 | 20 |
| Rainy days | 14 | 4 | 17 | 19 | 29 | 24 | 25 | 15 | 16 | 19 | 12 | 10 |
| Snow days | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Fosso during the most sunny months:
Months with the longest average daylight duration in Fosso:
The largest precipitation sum in Fosso is at