Average annual temperature is 12.5 °C
Absolute maximum temperature: 30.2 °C
Absolute minimum temperature: -3.8 °C
Number of sunny days: 95 days
Number of rainy days: 270 days
Look at detailed online map of Grand Kerouez
* Weather data for Grand Kerouez 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) | 13.7 | 15.5 | 15.3 | 16.9 | 20.9 | 29.2 | 27.2 | 24.9 | 30.2 | 25.9 | 15.7 | 14.9 |
| Average daytime temperature (°C) | 9.4 | 10.4 | 11.6 | 13.6 | 15.9 | 21.1 | 20.2 | 20.2 | 21.7 | 17.8 | 12.4 | 11.6 |
| Average temperature (°C) | 7.3 | 7.0 | 9.3 | 10.0 | 12.9 | 17.0 | 17.1 | 16.9 | 17.8 | 14.1 | 10.4 | 9.8 |
| Average night temperature (°C) | 5.2 | 4.0 | 7.0 | 6.4 | 9.6 | 13.1 | 13.9 | 13.9 | 14.2 | 11.1 | 8.5 | 7.9 |
| Absolute minimum temperature (°C) | -3.8 | -3.1 | 0.4 | 1.2 | 5.9 | 9.8 | 10.1 | 10.7 | 9.8 | 7.8 | 3.0 | 1.2 |
| 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 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.8 | 10.2 | 11.9 | 13.7 | 15.2 | 16.1 | 15.7 | 14.3 | 12.6 | 10.8 | 9.2 | 8.4 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.3 | 5.9 | 5.2 | 8.6 | 11.7 | 12.2 | 9.9 | 9.6 | 9.1 | 6.5 | 4.3 | 3.7 |
| Precipitation (mm) | 119 | 20 | 138 | 76 | 58 | 58 | 79 | 96 | 84 | 88 | 145 | 105 |
| Sunny days | 6 | 13 | 2 | 10 | 17 | 14 | 5 | 3 | 7 | 10 | 3 | 5 |
| Rainy days | 25 | 15 | 29 | 20 | 14 | 16 | 26 | 28 | 23 | 21 | 27 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Grand Kerouez during the most sunny months:
Months with the longest average daylight duration in Grand Kerouez:
The largest precipitation sum in Grand Kerouez is at