Average annual temperature is 14.2 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -4.2 °C
Number of sunny days: 156 days
Number of rainy days: 209 days
Look at detailed online map of Le Grand Marais
* Weather data for Le Grand Marais 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) | 18.0 | 16.7 | 20.1 | 23.6 | 27.7 | 30.3 | 31.9 | 36.6 | 35.2 | 29.1 | 18.0 | 15.5 |
| Average daytime temperature (°C) | 9.6 | 11.0 | 13.4 | 16.0 | 21.2 | 26.9 | 24.8 | 25.9 | 26.5 | 20.9 | 13.7 | 11.7 |
| Average temperature (°C) | 7.0 | 6.3 | 9.6 | 11.7 | 16.4 | 21.7 | 20.2 | 21.1 | 20.9 | 16.0 | 10.7 | 8.8 |
| Average night temperature (°C) | 4.4 | 2.5 | 6.1 | 7.3 | 11.5 | 16.4 | 15.5 | 16.3 | 16.1 | 12.0 | 7.4 | 5.8 |
| Absolute minimum temperature (°C) | -3.2 | -4.2 | -1.8 | 0.3 | 7.5 | 14.3 | 11.9 | 10.5 | 9.1 | 7.9 | -1.7 | -2.1 |
| 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) | 3.9 | 6.3 | 6.9 | 9.0 | 12.3 | 12.1 | 12.2 | 10.9 | 10.4 | 6.9 | 4.9 | 4.3 |
| Precipitation (mm) | 121 | 21 | 144 | 61 | 48 | 46 | 53 | 46 | 69 | 231 | 162 | 147 |
| Sunny days | 8 | 22 | 11 | 12 | 15 | 17 | 12 | 11 | 17 | 14 | 5 | 12 |
| Rainy days | 23 | 6 | 20 | 18 | 16 | 13 | 19 | 20 | 13 | 17 | 25 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Le Grand Marais during the most sunny months:
Months with the longest average daylight duration in Le Grand Marais:
The largest precipitation sum in Le Grand Marais is at