Bewolking — 2026
| Month | Flémalle | Grâce-Hollogne | Difference |
|---|---|---|---|
| Jan | 81 % | 80 % | +1.0 |
| Feb | 81.1 % | 80.3 % | +0.8 |
| Mar | 50.3 % | 52.6 % | -2.3 |
| Apr | 57.1 % | 57.1 % | +0.0 |
| May | 60 % | 59.2 % | +0.8 |
| Jun | 61.7 % | 61 % | +0.7 |
| Jul | 45.4 % | 46.3 % | -0.9 |
| Aug |
| 54.8 % |
| 54.7 % |
| +0.1 |
| Sep | 66.1 % | 66.9 % | -0.8 |
| Oct | 60.3 % | 59 % | +1.3 |
| Nov | – | – | – |
| Dec | – | – | – |