Bewolking — 2025
| Month | Lasne | La Hulpe | Difference |
|---|---|---|---|
| Jan | 80.3 % | 80.4 % | -0.1 |
| Feb | 72.6 % | 71.8 % | +0.8 |
| Mar | 44 % | 44.3 % | -0.3 |
| Apr | 44.9 % | 45.2 % | -0.3 |
| May | 53.9 % | 53.5 % | +0.4 |
| Jun | 52.1 % | 52.4 % | -0.3 |
| Jul | 54 % | 54.1 % | -0.1 |
| Aug |
| 54.1 % |
| 54.8 % |
| -0.7 |
| Sep | 62.6 % | 62.1 % | +0.5 |
| Oct | 83.8 % | 84.7 % | -0.9 |
| Nov | 78.2 % | 78.1 % | +0.1 |
| Dec | 74 % | 73.7 % | +0.3 |