Average annual temperature is 11.9 °C
Absolute maximum temperature: 31.7 °C
Absolute minimum temperature: -5.3 °C
Number of sunny days: 120 days
Number of rainy days: 243 days
Number of snow days: 2 days
Look at detailed online map of Forest-sur-Marque
* Weather data for Forest-sur-Marque 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) | 14.5 | 11.4 | 16.9 | 16.7 | 23.3 | 30.3 | 29.9 | 27.9 | 31.7 | 24.5 | 15.4 | 12.8 |
| Average daytime temperature (°C) | 7.7 | 8.9 | 10.7 | 12.4 | 17.7 | 24.8 | 22.2 | 21.9 | 23.3 | 17.2 | 10.5 | 9.0 |
| Average temperature (°C) | 5.3 | 5.5 | 7.4 | 8.4 | 13.0 | 19.5 | 18.3 | 17.8 | 18.6 | 13.6 | 8.0 | 6.9 |
| Average night temperature (°C) | 2.7 | 2.2 | 3.8 | 4.1 | 8.1 | 13.7 | 14.2 | 13.6 | 14.0 | 10.3 | 5.7 | 4.7 |
| Absolute minimum temperature (°C) | -3.7 | -4.5 | -3.3 | -2.6 | 3.5 | 9.7 | 11.1 | 10.2 | 9.1 | 2.3 | -0.2 | -5.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.6 | 10.0 | 11.9 | 13.8 | 15.5 | 16.4 | 16.0 | 14.5 | 12.6 | 10.7 | 9.0 | 8.1 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 3.4 | 4.8 | 4.7 | 7.9 | 10.2 | 13.1 | 10.8 | 10.6 | 9.2 | 6.2 | 3.7 | 2.2 |
| Precipitation (mm) | 89 | 9 | 140 | 76 | 61 | 41 | 117 | 78 | 49 | 134 | 139 | 82 |
| Sunny days | 7 | 15 | 4 | 9 | 17 | 20 | 4 | 7 | 17 | 10 | 3 | 7 |
| Rainy days | 24 | 12 | 27 | 21 | 14 | 10 | 27 | 24 | 13 | 21 | 26 | 24 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Forest-sur-Marque during the most sunny months:
Months with the longest average daylight duration in Forest-sur-Marque:
The largest precipitation sum in Forest-sur-Marque is at