Average annual temperature is 8.1 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: -13.9 °C
Number of sunny days: 120 days
Number of rainy days: 189 days
Number of snow days: 56 days
Look at detailed online map of Chalais
* Weather data for Chalais 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) | 9.3 | 12.2 | 12.1 | 15.4 | 21.1 | 26.1 | 31.3 | 33.1 | 27.6 | 23.8 | 10.9 | 7.6 |
| Average daytime temperature (°C) | 1.5 | 5.8 | 7.2 | 8.1 | 14.9 | 21.3 | 23.4 | 23.1 | 22.1 | 16.6 | 5.1 | 3.4 |
| Average temperature (°C) | -1.7 | 0.9 | 3.2 | 4.0 | 9.9 | 15.6 | 17.8 | 17.4 | 15.8 | 11.4 | 1.8 | 0.6 |
| Average night temperature (°C) | -4.9 | -3.4 | -1.0 | -0.5 | 5.0 | 9.0 | 11.8 | 11.4 | 9.8 | 6.6 | -2.3 | -2.7 |
| Absolute minimum temperature (°C) | -13.9 | -11.0 | -7.9 | -6.6 | -2.6 | 4.0 | 5.1 | 4.2 | 3.0 | -0.1 | -8.5 | -10.2 |
| 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 | 10.3 | 11.9 | 13.6 | 15.0 | 15.7 | 15.4 | 14.1 | 12.6 | 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) | 5.8 | 8.3 | 7.6 | 9.0 | 10.4 | 12.6 | 12.6 | 10.8 | 10.5 | 7.7 | 4.1 | 4.2 |
| Precipitation (mm) | 80 | 14 | 245 | 140 | 145 | 117 | 96 | 133 | 78 | 139 | 281 | 271 |
| Sunny days | 11 | 18 | 11 | 8 | 3 | 3 | 6 | 12 | 15 | 17 | 3 | 13 |
| Rainy days | 4 | 2 | 13 | 15 | 28 | 27 | 25 | 19 | 15 | 14 | 16 | 11 |
| Snow days | 16 | 8 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 7 |
The best time to visit Chalais during the most sunny months:
Months with the longest average daylight duration in Chalais:
The largest precipitation sum in Chalais is at