Average annual temperature is 11.5 °C
Absolute maximum temperature: 30.4 °C
Absolute minimum temperature: -5.8 °C
Number of sunny days: 119 days
Number of rainy days: 243 days
Number of snow days: 3 days
Look at detailed online map of Grand-Rosière-Hottomont
* Weather data for Grand-Rosière-Hottomont 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) | 14.3 | 12.9 | 16.1 | 17.0 | 23.2 | 29.1 | 30.4 | 27.3 | 29.9 | 24.9 | 15.0 | 11.6 |
| Average daytime temperature (°C) | 6.5 | 8.0 | 10.1 | 12.0 | 17.5 | 24.5 | 22.0 | 21.5 | 22.8 | 16.7 | 9.5 | 8.0 |
| Average temperature (°C) | 4.5 | 4.9 | 6.8 | 8.1 | 12.9 | 19.6 | 18.2 | 17.7 | 18.3 | 13.3 | 7.2 | 6.1 |
| Average night temperature (°C) | 2.4 | 1.8 | 3.3 | 4.0 | 8.0 | 13.9 | 13.9 | 13.6 | 13.8 | 10.1 | 5.1 | 4.1 |
| Absolute minimum temperature (°C) | -3.7 | -4.1 | -4.2 | -2.3 | 2.9 | 9.3 | 10.8 | 10.5 | 8.1 | 2.1 | -2.0 | -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 | 10.0 | 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) | 2.7 | 4.7 | 5.2 | 7.0 | 10.9 | 13.2 | 11.1 | 10.0 | 9.6 | 6.4 | 3.3 | 2.3 |
| Precipitation (mm) | 79 | 15 | 127 | 75 | 53 | 42 | 119 | 94 | 65 | 109 | 122 | 84 |
| Sunny days | 7 | 13 | 4 | 8 | 14 | 24 | 5 | 6 | 17 | 11 | 3 | 7 |
| Rainy days | 23 | 15 | 26 | 22 | 17 | 6 | 26 | 25 | 13 | 20 | 27 | 23 |
| Snow days | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Grand-Rosière-Hottomont during the most sunny months:
Months with the longest average daylight duration in Grand-Rosière-Hottomont:
The largest precipitation sum in Grand-Rosière-Hottomont is at