Bewolking — 2023
| Maand | Arlon | Attert | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 88.4 % | 88.9 % | -0.5 |
| Apr | 69.8 % | 70 % | -0.2 |
| Mei | 56.9 % | 57.1 % | -0.2 |
| Jun | 38.2 % | 38.9 % | -0.7 |
| Jul | 62.3 % | 62.5 % | -0.2 |
| Aug |
| 58.6 % |
| 58.9 % |
| -0.3 |
| Sep | 51.3 % | 51.8 % | -0.5 |
| Okt | 75.7 % | 76.1 % | -0.4 |
| Nov | 89.4 % | 90 % | -0.6 |
| Dec | 95.4 % | 95.1 % | +0.3 |