Average annual temperature is 12.0 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 173 days
Number of rainy days: 189 days
Number of snow days: 3 days
Look at detailed online map of Les Grumillons
* Weather data for Les Grumillons 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) | 13.9 | 14.2 | 19.4 | 21.2 | 24.8 | 31.1 | 35.8 | 38.0 | 30.4 | 25.8 | 15.5 | 11.7 |
| Average daytime temperature (°C) | 5.8 | 9.1 | 12.0 | 13.6 | 18.8 | 25.9 | 27.3 | 28.0 | 24.9 | 19.0 | 9.5 | 7.5 |
| Average temperature (°C) | 2.7 | 3.5 | 7.1 | 8.7 | 13.9 | 20.1 | 21.6 | 22.2 | 19.0 | 13.8 | 6.4 | 3.8 |
| Average night temperature (°C) | 0.0 | -1.0 | 2.6 | 3.9 | 9.2 | 14.3 | 16.3 | 16.4 | 13.5 | 9.2 | 3.2 | 0.8 |
| Absolute minimum temperature (°C) | -4.6 | -3.9 | -3.1 | -1.3 | 4.8 | 10.9 | 11.0 | 9.9 | 7.5 | 4.8 | -2.5 | -3.9 |
| 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 | 10.4 | 11.9 | 13.5 | 14.9 | 15.7 | 15.3 | 14.1 | 12.5 | 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) | 4.3 | 8.1 | 7.5 | 8.7 | 11.0 | 12.9 | 12.6 | 10.8 | 10.2 | 7.7 | 3.9 | 3.8 |
| Precipitation (mm) | 89 | 5 | 149 | 110 | 71 | 74 | 71 | 57 | 86 | 195 | 214 | 182 |
| Sunny days | 17 | 21 | 11 | 11 | 8 | 12 | 16 | 21 | 18 | 17 | 8 | 13 |
| Rainy days | 13 | 6 | 19 | 19 | 23 | 18 | 15 | 10 | 12 | 14 | 22 | 18 |
| Snow days | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Les Grumillons during the most sunny months:
Months with the longest average daylight duration in Les Grumillons:
The largest precipitation sum in Les Grumillons is at