Bewolking — 2026
| Month | Herstal | Liège | Difference |
|---|---|---|---|
| Jan | 80.5 % | 80.5 % | +0.0 |
| Feb | 80.2 % | 80.2 % | +0.0 |
| Mar | 52.5 % | 51.7 % | +0.8 |
| Apr | 57.5 % | 57.6 % | -0.1 |
| May | 58.8 % | 59.2 % | -0.4 |
| Jun | 60.8 % | 61 % | -0.2 |
| Jul | 46.4 % | 46.3 % | +0.1 |
| Aug |
| 54.5 % |
| 54.7 % |
| -0.2 |
| Sep | 69.1 % | 69.1 % | +0.0 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |