Average annual temperature is 12.2 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -14.3 °C
Number of sunny days: 115 days
Number of rainy days: 228 days
Number of snow days: 22 days
Look at detailed online map of Illarsaz
* Weather data for Illarsaz 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) | 17.8 | 17.4 | 22.1 | 21.4 | 23.8 | 29.1 | 35.8 | 35.7 | 29.0 | 28.2 | 16.8 | 14.1 |
| Average daytime temperature (°C) | 7.0 | 11.3 | 13.0 | 13.9 | 19.2 | 24.8 | 26.2 | 26.1 | 24.9 | 21.0 | 10.6 | 9.4 |
| Average temperature (°C) | 2.2 | 5.5 | 7.6 | 9.1 | 14.5 | 19.8 | 20.9 | 20.9 | 19.3 | 15.2 | 6.8 | 4.6 |
| Average night temperature (°C) | -2.5 | 0.5 | 2.2 | 3.9 | 9.9 | 14.4 | 15.7 | 15.8 | 14.4 | 10.7 | 3.1 | 0.9 |
| Absolute minimum temperature (°C) | -14.3 | -7.0 | -7.2 | -1.3 | 5.7 | 11.9 | 10.8 | 8.9 | 6.7 | 6.2 | -10.0 | -6.8 |
| 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) | 4.9 | 8.2 | 6.9 | 8.6 | 10.2 | 12.8 | 12.4 | 10.8 | 10.2 | 7.4 | 3.2 | 3.9 |
| Precipitation (mm) | 131 | 22 | 195 | 185 | 151 | 142 | 301 | 174 | 117 | 176 | 370 | 282 |
| Sunny days | 11 | 17 | 8 | 7 | 2 | 8 | 4 | 12 | 18 | 15 | 2 | 11 |
| Rainy days | 10 | 6 | 20 | 23 | 29 | 22 | 27 | 19 | 12 | 16 | 27 | 17 |
| Snow days | 10 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The best time to visit Illarsaz during the most sunny months:
Months with the longest average daylight duration in Illarsaz:
The largest precipitation sum in Illarsaz is at