Bewolking — 2023
| Month | Manhay | Érezée | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 90 % | 90.3 % | -0.3 |
| Apr | 68.8 % | 68 % | +0.8 |
| May | 63.1 % | 63.5 % | -0.4 |
| Jun | 43.2 % | 41.2 % | +2.0 |
| Jul | 64 % | 63.5 % | +0.5 |
| Aug |
| 62.1 % |
| 61.4 % |
| +0.7 |
| Sep | 55.9 % | 54 % | +1.9 |
| Oct | 78.3 % | 77.5 % | +0.8 |
| Nov | 90.6 % | 87.4 % | +3.2 |
| Dec | 91.5 % | 90.6 % | +0.9 |