Bewolking — 2023
| Month | Châtelet | Aiseau-Presles | Difference |
|---|---|---|---|
| Jan | 87.3 % | – | – |
| Feb | 65.6 % | – | – |
| Mar | 82.9 % | 87.8 % | -4.9 |
| Apr | 70 % | 70 % | +0.0 |
| May | 61.5 % | 60.7 % | +0.8 |
| Jun | 39.7 % | 39.8 % | -0.1 |
| Jul | 62.3 % | 62.2 % | +0.1 |
| Aug |
| 60.3 % |
| 60.5 % |
| -0.2 |
| Sep | 56.2 % | 56.7 % | -0.5 |
| Oct | 77.4 % | 77 % | +0.4 |
| Nov | 82.1 % | 80.9 % | +1.2 |
| Dec | 89.1 % | 88 % | +1.1 |