Average annual temperature is 11.8 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -7.0 °C
Number of sunny days: 135 days
Number of rainy days: 222 days
Number of snow days: 8 days
Look at detailed online map of Grand Vallée
* Weather data for Grand Vallée France is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.4 | 15.1 | 18.7 | 19.3 | 24.0 | 28.8 | 33.5 | 33.0 | 31.4 | 28.2 | 14.9 | 11.8 |
| Average daytime temperature (°C) | 5.5 | 8.3 | 10.9 | 12.4 | 18.2 | 24.8 | 24.3 | 23.9 | 25.0 | 18.7 | 9.2 | 7.4 |
| Average temperature (°C) | 3.5 | 4.4 | 7.0 | 8.3 | 13.8 | 19.9 | 19.5 | 19.4 | 19.7 | 14.2 | 6.8 | 5.2 |
| Average night temperature (°C) | 1.3 | 1.4 | 3.3 | 4.3 | 9.3 | 14.6 | 14.9 | 15.4 | 15.0 | 10.5 | 4.5 | 3.2 |
| Absolute minimum temperature (°C) | -7.0 | -4.5 | -4.2 | -3.1 | 5.1 | 11.4 | 10.9 | 8.9 | 6.6 | 4.1 | -2.4 | -5.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.3 | 8.5 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.3 | 5.9 | 6.5 | 7.5 | 10.5 | 13.3 | 11.5 | 9.7 | 10.3 | 6.5 | 3.1 | 1.9 |
| Precipitation (mm) | 73 | 16 | 108 | 80 | 47 | 44 | 81 | 75 | 24 | 130 | 139 | 102 |
| Sunny days | 9 | 15 | 8 | 8 | 11 | 16 | 12 | 10 | 18 | 14 | 4 | 10 |
| Rainy days | 15 | 12 | 23 | 22 | 20 | 14 | 19 | 21 | 12 | 17 | 26 | 21 |
| Snow days | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Grand Vallée during the most sunny months:
Months with the longest average daylight duration in Grand Vallée:
The largest precipitation sum in Grand Vallée is at