Bewolking — 2023
| Maand | Grâce-Hollogne | Flémalle | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 85.7 % | 87.2 % | -1.5 |
| Apr | 67.5 % | 68.1 % | -0.6 |
| Mei | 63.1 % | 63.8 % | -0.7 |
| Jun | 41.3 % | 41.7 % | -0.4 |
| Jul | 64.3 % | 64.7 % | -0.4 |
| Aug |
| 61 % |
| 61.2 % |
| -0.2 |
| Sep | 55.9 % | 55.9 % | +0.0 |
| Okt | 77.2 % | 77.3 % | -0.1 |
| Nov | 81 % | 82.3 % | -1.3 |
| Dec | 86.8 % | 87.3 % | -0.5 |