Average annual temperature is 11.7 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -5.3 °C
Number of sunny days: 133 days
Number of rainy days: 223 days
Number of snow days: 9 days
Look at detailed online map of St. Petersinsel
* Weather data for St. Petersinsel 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) | 13.4 | 13.8 | 17.1 | 19.4 | 23.7 | 30.8 | 32.8 | 35.1 | 29.6 | 25.2 | 13.9 | 11.7 |
| Average daytime temperature (°C) | 5.1 | 7.8 | 10.6 | 12.1 | 18.2 | 25.8 | 24.8 | 25.4 | 24.0 | 18.0 | 8.8 | 7.1 |
| Average temperature (°C) | 3.0 | 3.7 | 6.5 | 8.1 | 13.7 | 20.4 | 20.0 | 20.6 | 19.0 | 13.8 | 6.3 | 4.3 |
| Average night temperature (°C) | 0.8 | 0.3 | 2.4 | 4.0 | 9.2 | 14.8 | 15.4 | 16.2 | 14.3 | 9.9 | 3.8 | 2.0 |
| Absolute minimum temperature (°C) | -5.3 | -3.8 | -2.8 | -1.7 | 6.2 | 12.0 | 11.5 | 10.8 | 7.7 | 3.7 | -1.5 | -3.0 |
| 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) | 9.0 | 10.3 | 11.9 | 13.6 | 15.1 | 15.8 | 15.5 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| 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) | 2.9 | 6.7 | 7.1 | 8.3 | 9.8 | 13.5 | 12.1 | 10.5 | 10.3 | 7.6 | 3.6 | 3.5 |
| Precipitation (mm) | 69 | 17 | 156 | 106 | 122 | 47 | 161 | 91 | 63 | 125 | 216 | 191 |
| Sunny days | 9 | 16 | 9 | 8 | 9 | 15 | 9 | 11 | 21 | 15 | 4 | 7 |
| Rainy days | 15 | 11 | 21 | 22 | 22 | 15 | 22 | 20 | 9 | 16 | 26 | 24 |
| Snow days | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit St. Petersinsel during the most sunny months:
Months with the longest average daylight duration in St. Petersinsel:
The largest precipitation sum in St. Petersinsel is at