Bewolking — 2023
| Maand | Watermaal-Bosvoorde | Elsene | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 87.3 % | 84.5 % | +2.8 |
| Apr | 69.7 % | 68.8 % | +0.9 |
| Mei | 60.9 % | 60.5 % | +0.4 |
| Jun | 39.8 % | 40.1 % | -0.3 |
| Jul | 63.7 % | 64.4 % | -0.7 |
| Aug |
| 61 % |
| 60.4 % |
| +0.6 |
| Sep | 57.4 % | 57 % | +0.4 |
| Okt | 76.5 % | 75.9 % | +0.6 |
| Nov | 77.8 % | 76.9 % | +0.9 |
| Dec | 83.9 % | 83.8 % | +0.1 |