Bewolking — 2025
| Maand | Nivelles | Braine-l'Alleud | Verschil |
|---|---|---|---|
| Jan | 79.4 % | 79.7 % | -0.3 |
| Feb | 72.5 % | 71.8 % | +0.7 |
| Mrt | 43.7 % | 44.3 % | -0.6 |
| Apr | 45.2 % | 45 % | +0.2 |
| Mei | 54 % | 53.7 % | +0.3 |
| Jun | 52.2 % | 52.7 % | -0.5 |
| Jul | 54.4 % | 55.1 % | -0.7 |
| Aug |
| 53.8 % |
| 54.5 % |
| -0.7 |
| Sep | 63.1 % | 61.3 % | +1.8 |
| Okt | 83.1 % | 84 % | -0.9 |
| Nov | 78.2 % | 77.8 % | +0.4 |
| Dec | 74.2 % | 73.4 % | +0.8 |