Average annual temperature is 9.9 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -11.0 °C
Number of sunny days: 121 days
Number of rainy days: 232 days
Number of snow days: 12 days
Look at detailed online map of St-Martin
* Weather data for St-Martin 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) | 11.3 | 12.1 | 15.5 | 16.9 | 21.5 | 27.9 | 31.2 | 33.1 | 27.2 | 23.4 | 12.3 | 9.5 |
| Average daytime temperature (°C) | 3.0 | 5.9 | 8.6 | 10.0 | 16.0 | 23.4 | 22.4 | 23.0 | 21.7 | 16.0 | 6.7 | 5.3 |
| Average temperature (°C) | 0.9 | 2.4 | 4.8 | 6.3 | 11.9 | 18.5 | 18.1 | 18.7 | 17.6 | 12.5 | 4.3 | 2.7 |
| Average night temperature (°C) | -1.5 | -0.7 | 1.2 | 2.7 | 8.0 | 13.6 | 14.0 | 15.0 | 13.8 | 8.9 | 1.9 | 0.6 |
| Absolute minimum temperature (°C) | -11.0 | -5.5 | -3.5 | -2.9 | 4.4 | 11.0 | 9.5 | 7.8 | 7.2 | 3.2 | -4.8 | -5.3 |
| 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) | 2.7 | 6.7 | 7.0 | 8.0 | 9.7 | 13.5 | 11.9 | 10.3 | 10.2 | 7.4 | 3.3 | 3.3 |
| Precipitation (mm) | 80 | 27 | 152 | 104 | 88 | 46 | 161 | 88 | 41 | 142 | 217 | 190 |
| Sunny days | 9 | 17 | 9 | 6 | 7 | 12 | 7 | 9 | 19 | 15 | 4 | 7 |
| Rainy days | 14 | 11 | 22 | 24 | 24 | 18 | 24 | 22 | 11 | 16 | 25 | 21 |
| Snow days | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The best time to visit St-Martin during the most sunny months:
Months with the longest average daylight duration in St-Martin:
The largest precipitation sum in St-Martin is at