Bewolking — 2023
| Month | Herstappe | Borgloon | Difference |
|---|---|---|---|
| Jan | – | 83.4 % | – |
| Feb | – | 65.1 % | – |
| Mar | 85.8 % | 80.4 % | +5.4 |
| Apr | 68 % | 68 % | +0.0 |
| May | 63 % | 61.5 % | +1.5 |
| Jun | 41.4 % | 40.9 % | +0.5 |
| Jul | 64.7 % | 64.2 % | +0.5 |
| Aug |
| 60.3 % |
| 60.4 % |
| -0.1 |
| Sep | 56.6 % | 56.7 % | -0.1 |
| Oct | 76.8 % | 76.4 % | +0.4 |
| Nov | 79.1 % | 78.5 % | +0.6 |
| Dec | 86.8 % | 86 % | +0.8 |