Average annual temperature is 11.5 °C
Absolute maximum temperature: 29.9 °C
Absolute minimum temperature: -5.8 °C
Number of sunny days: 113 days
Number of rainy days: 251 days
Number of snow days: 1 day
Look at detailed online map of Grand-Manil
* Weather data for Grand-Manil Belgium is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.1 | 12.8 | 16.0 | 16.7 | 23.2 | 28.9 | 29.9 | 27.8 | 29.6 | 24.8 | 14.7 | 11.7 |
| Average daytime temperature (°C) | 6.5 | 8.1 | 10.1 | 12.0 | 17.5 | 24.3 | 21.9 | 21.5 | 22.8 | 16.7 | 9.5 | 8.0 |
| Average temperature (°C) | 4.5 | 4.8 | 6.8 | 8.1 | 12.9 | 19.5 | 18.0 | 17.6 | 18.1 | 13.2 | 7.2 | 6.1 |
| Average night temperature (°C) | 2.4 | 1.8 | 3.3 | 4.0 | 8.0 | 13.8 | 13.8 | 13.4 | 13.6 | 10.0 | 5.1 | 4.1 |
| Absolute minimum temperature (°C) | -3.9 | -4.1 | -4.0 | -2.1 | 3.2 | 9.3 | 10.7 | 10.1 | 7.9 | 2.1 | -2.3 | -5.8 |
| 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 | 10.1 | 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) | 2.7 | 4.7 | 5.2 | 6.9 | 10.8 | 13.1 | 11.1 | 9.9 | 9.6 | 6.4 | 3.1 | 2.2 |
| Precipitation (mm) | 82 | 14 | 136 | 75 | 55 | 44 | 109 | 96 | 64 | 117 | 119 | 83 |
| Sunny days | 8 | 13 | 3 | 8 | 13 | 24 | 5 | 6 | 17 | 10 | 1 | 5 |
| Rainy days | 23 | 15 | 27 | 22 | 18 | 6 | 26 | 25 | 13 | 21 | 29 | 26 |
| Snow days | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Grand-Manil during the most sunny months:
Months with the longest average daylight duration in Grand-Manil:
The largest precipitation sum in Grand-Manil is at