Bewolking — 2025
| Month | Spa | Theux | Difference |
|---|---|---|---|
| Jan | 78.3 % | 76.6 % | +1.7 |
| Feb | 75 % | 73.8 % | +1.2 |
| Mar | 47.5 % | 46.7 % | +0.8 |
| Apr | 47.2 % | 47.5 % | -0.3 |
| May | 55.5 % | 54.9 % | +0.6 |
| Jun | 50.1 % | 50.7 % | -0.6 |
| Jul | 59.8 % | 57.7 % | +2.1 |
| Aug |
| 51.6 % |
| 52.9 % |
| -1.3 |
| Sep | 69 % | 65.9 % | +3.1 |
| Oct | 88.2 % | 87.4 % | +0.8 |
| Nov | 81.4 % | 79.5 % | +1.9 |
| Dec | 77.3 % | 74.8 % | +2.5 |