Bewolking — 2023
| Month | Kasterlee | Geel | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 84 % | 86.2 % | -2.2 |
| Apr | 67.2 % | 67.7 % | -0.5 |
| May | 60.9 % | 61 % | -0.1 |
| Jun | 42.6 % | 42.1 % | +0.5 |
| Jul | 64.5 % | 64.7 % | -0.2 |
| Aug |
| 63.1 % |
| 63.2 % |
| -0.1 |
| Sep | 59.5 % | 59.2 % | +0.3 |
| Oct | 77.5 % | 77.5 % | +0.0 |
| Nov | 75.5 % | 74.8 % | +0.7 |
| Dec | 84.9 % | 84.8 % | +0.1 |