Bewolking — 2025
| Month | Attert | Arlon | Difference |
|---|---|---|---|
| Jan | 83.2 % | 82.9 % | +0.3 |
| Feb | 74.5 % | 74.6 % | -0.1 |
| Mar | 47 % | 47.1 % | -0.1 |
| Apr | 46 % | 46.7 % | -0.7 |
| May | 49.2 % | 49.2 % | +0.0 |
| Jun | 48.9 % | 48.9 % | +0.0 |
| Jul | 56.9 % | 56.1 % | +0.8 |
| Aug |
| 45.2 % |
| 44.9 % |
| +0.3 |
| Sep | 72.9 % | 72.3 % | +0.6 |
| Oct | 79.7 % | 79.7 % | +0.0 |
| Nov | 82.6 % | 81.6 % | +1.0 |
| Dec | 79.3 % | 78.9 % | +0.4 |