Bewolking — 2023
| Month | Braine-l'Alleud | Sint-Genesius-Rode | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 86.6 % | 86.6 % | +0.0 |
| Apr | 69.1 % | 69.1 % | +0.0 |
| May | 61.1 % | 61.1 % | +0.0 |
| Jun | 39.4 % | 39.4 % | +0.0 |
| Jul | 63.7 % | 63.7 % | +0.0 |
| Aug |
| 60.4 % |
| 60.4 % |
| +0.0 |
| Sep | 57.3 % | 57.3 % | +0.0 |
| Oct | 76.5 % | 76.5 % | +0.0 |
| Nov | 78.5 % | 78.5 % | +0.0 |
| Dec | 84.4 % | 84.4 % | +0.0 |