Bewolking — 2026
| Month | Saint-Ghislain | Boussu | Difference |
|---|---|---|---|
| Jan | 79.4 % | 79.4 % | +0.0 |
| Feb | 79.7 % | 79.7 % | +0.0 |
| Mar | 50.2 % | 53 % | -2.8 |
| Apr | 57.4 % | 57.1 % | +0.3 |
| May | 58.6 % | 58.6 % | +0.0 |
| Jun | 62.3 % | 62.3 % | +0.0 |
| Jul | 41.7 % | 41.7 % | +0.0 |
| Aug |
| 54.1 % |
| 54.1 % |
| +0.0 |
| Sep | 61.5 % | 61 % | +0.5 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |