Bewolking — 2023
| Maand | Zaventem | Machelen | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 84.9 % | 86.4 % | -1.5 |
| Apr | 69.4 % | 68.7 % | +0.7 |
| Mei | 60.9 % | 61 % | -0.1 |
| Jun | 40.1 % | 40.5 % | -0.4 |
| Jul | 63.8 % | 63.7 % | +0.1 |
| Aug |
| 60.6 % |
| 60.4 % |
| +0.2 |
| Sep | 56.9 % | 56.7 % | +0.2 |
| Okt | 75.7 % | 76.2 % | -0.5 |
| Nov | 77 % | 75.9 % | +1.1 |
| Dec | 83.8 % | 83.7 % | +0.1 |