Bewolking — 2023
| Maand | Érezée | Ferrières | Verschil |
|---|---|---|---|
| Jan | – | 86.4 % | – |
| Feb | – | 64.6 % | – |
| Mrt | 90.3 % | 84 % | +6.3 |
| Apr | 68 % | 68.1 % | -0.1 |
| Mei | 63.5 % | 62.6 % | +0.9 |
| Jun | 41.2 % | 41.2 % | +0.0 |
| Jul | 63.5 % | 64.2 % | -0.7 |
| Aug |
| 61.4 % |
| 61.4 % |
| +0.0 |
| Sep | 54 % | 54.7 % | -0.7 |
| Okt | 77.5 % | 77.5 % | +0.0 |
| Nov | 87.4 % | 85.9 % | +1.5 |
| Dec | 90.6 % | 89.7 % | +0.9 |