Average annual temperature is 12.3 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -10.8 °C
Number of sunny days: 122 days
Number of rainy days: 227 days
Number of snow days: 16 days
Look at detailed online map of Grand Roc
* Weather data for Grand Roc 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) | 15.9 | 14.7 | 20.2 | 21.3 | 23.3 | 27.7 | 34.0 | 35.3 | 29.1 | 25.7 | 16.2 | 14.2 |
| Average daytime temperature (°C) | 5.9 | 9.3 | 11.9 | 13.1 | 18.2 | 24.6 | 25.7 | 25.9 | 24.3 | 19.7 | 10.4 | 9.6 |
| Average temperature (°C) | 2.6 | 4.8 | 7.5 | 8.9 | 14.1 | 20.0 | 20.8 | 21.1 | 19.7 | 15.2 | 7.2 | 5.6 |
| Average night temperature (°C) | -1.1 | 0.6 | 3.2 | 4.6 | 10.0 | 15.3 | 16.4 | 16.7 | 15.5 | 11.3 | 3.9 | 2.5 |
| Absolute minimum temperature (°C) | -10.8 | -4.7 | -2.3 | -1.1 | 4.9 | 11.7 | 11.5 | 11.5 | 8.9 | 6.5 | -4.3 | -4.5 |
| 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 | 9.4 | 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) | 4.6 | 8.2 | 7.0 | 8.6 | 10.8 | 12.7 | 12.4 | 10.8 | 10.1 | 7.4 | 3.5 | 3.8 |
| Precipitation (mm) | 161 | 32 | 210 | 220 | 173 | 164 | 335 | 221 | 143 | 197 | 360 | 285 |
| Sunny days | 9 | 18 | 8 | 8 | 6 | 10 | 6 | 13 | 15 | 14 | 3 | 12 |
| Rainy days | 11 | 9 | 22 | 22 | 25 | 20 | 25 | 18 | 15 | 17 | 25 | 18 |
| Snow days | 11 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
The best time to visit Grand Roc during the most sunny months:
Months with the longest average daylight duration in Grand Roc:
The largest precipitation sum in Grand Roc is at