Average annual temperature is 9.5 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: -11.8 °C
Number of sunny days: 142 days
Number of rainy days: 213 days
Number of snow days: 10 days
Look at detailed online map of Crêt d'Illens
* Weather data for Crêt d'Illens 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 | 11.5 | 14.3 | 17.0 | 21.3 | 26.3 | 31.0 | 32.2 | 26.8 | 23.4 | 11.0 | 10.2 |
| Average daytime temperature (°C) | 2.4 | 6.2 | 8.2 | 9.6 | 15.6 | 22.6 | 22.3 | 22.9 | 21.2 | 15.6 | 6.1 | 5.2 |
| Average temperature (°C) | 0.2 | 2.0 | 4.6 | 6.0 | 11.5 | 17.7 | 18.0 | 18.7 | 16.9 | 12.1 | 3.9 | 2.4 |
| Average night temperature (°C) | -2.1 | -1.2 | 1.1 | 2.4 | 7.5 | 12.9 | 14.1 | 14.6 | 13.0 | 8.7 | 1.5 | -0.1 |
| Absolute minimum temperature (°C) | -11.8 | -5.4 | -4.4 | -3.5 | 4.2 | 10.5 | 8.7 | 6.4 | 6.5 | 2.0 | -4.9 | -7.7 |
| 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 | 15.8 | 15.4 | 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) | 3.5 | 7.8 | 7.3 | 8.2 | 10.6 | 12.9 | 12.3 | 10.8 | 10.2 | 7.6 | 3.8 | 4.0 |
| Precipitation (mm) | 119 | 10 | 187 | 114 | 92 | 111 | 211 | 102 | 82 | 178 | 324 | 228 |
| Sunny days | 12 | 20 | 12 | 7 | 7 | 10 | 7 | 16 | 18 | 16 | 4 | 13 |
| Rainy days | 13 | 7 | 19 | 23 | 24 | 20 | 24 | 15 | 12 | 15 | 25 | 16 |
| Snow days | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Crêt d'Illens during the most sunny months:
Months with the longest average daylight duration in Crêt d'Illens:
The largest precipitation sum in Crêt d'Illens is at