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