Bewolking — 2023
| Month | Dison | Verviers | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 89.2 % | 88.5 % | +0.7 |
| Apr | 68.2 % | 67.9 % | +0.3 |
| May | 64.4 % | 64.3 % | +0.1 |
| Jun | 43.2 % | 43.3 % | -0.1 |
| Jul | 66.6 % | 65.9 % | +0.7 |
| Aug |
| 60.7 % |
| 62 % |
| -1.3 |
| Sep | 56.5 % | 56.5 % | +0.0 |
| Oct | 78.2 % | 78.6 % | -0.4 |
| Nov | 85.1 % | 87.1 % | -2.0 |
| Dec | 89.7 % | 90.4 % | -0.7 |