Bewolking — 2023
| Maand | La Hulpe | Lasne | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 86.6 % | 87.1 % | -0.5 |
| Apr | 69.5 % | 69.8 % | -0.3 |
| Mei | 60.8 % | 60.4 % | +0.4 |
| Jun | 39.8 % | 39.4 % | +0.4 |
| Jul | 64.2 % | 64.2 % | +0.0 |
| Aug |
| 61 % |
| 61.2 % |
| -0.2 |
| Sep | 57.2 % | 56.9 % | +0.3 |
| Okt | 76.6 % | 76.9 % | -0.3 |
| Nov | 78.7 % | 79.2 % | -0.5 |
| Dec | 84.6 % | 85.3 % | -0.7 |