Luchtvochtigheid — 2025
| Month | Genappe | Braine-l'Alleud | Difference |
|---|---|---|---|
| Jan | 90.4 % | 91 % | -0.6 |
| Feb | 82.1 % | 82.7 % | -0.6 |
| Mar | 74 % | 74.3 % | -0.3 |
| Apr | 72.3 % | 68.7 % | +3.6 |
| May | 65.9 % | 62.8 % | +3.1 |
| Jun | 71.8 % | 69.5 % | +2.3 |
| Jul | 72 % | 70.3 % | +1.7 |
| Aug |
| 67.1 % |
| 64.8 % |
| +2.3 |
| Sep | 73.9 % | 72.5 % | +1.4 |
| Oct | 83.3 % | 82.7 % | +0.6 |
| Nov | 87.5 % | 87.5 % | +0.0 |
| Dec | 87.4 % | 86.9 % | +0.5 |