Bewolking — 2023
| Maand | Seraing | Grâce-Hollogne | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 88.2 % | 85.7 % | +2.5 |
| Apr | 68.2 % | 67.5 % | +0.7 |
| Mei | 64.8 % | 63.1 % | +1.7 |
| Jun | 42.3 % | 41.3 % | +1.0 |
| Jul | 65.6 % | 64.3 % | +1.3 |
| Aug |
| 61.7 % |
| 61 % |
| +0.7 |
| Sep | 55.7 % | 55.9 % | -0.2 |
| Okt | 77.4 % | 77.2 % | +0.2 |
| Nov | 83 % | 81 % | +2.0 |
| Dec | 87.8 % | 86.8 % | +1.0 |