Bewolking — 2023
| Maand | Ferrières | Manhay | Verschil |
|---|---|---|---|
| Jan | 86.4 % | – | – |
| Feb | 64.6 % | – | – |
| Mrt | 84 % | 90 % | -6.0 |
| Apr | 68.1 % | 68.8 % | -0.7 |
| Mei | 62.6 % | 63.1 % | -0.5 |
| Jun | 41.2 % | 43.2 % | -2.0 |
| Jul | 64.2 % | 64 % | +0.2 |
| Aug |
| 61.4 % |
| 62.1 % |
| -0.7 |
| Sep | 54.7 % | 55.9 % | -1.2 |
| Okt | 77.5 % | 78.3 % | -0.8 |
| Nov | 85.9 % | 90.6 % | -4.7 |
| Dec | 89.7 % | 91.5 % | -1.8 |