Bewolking — 2023
| Month | Honnelles | Boussu | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 87.4 % | 87.3 % | +0.1 |
| Apr | 69.5 % | 68.9 % | +0.6 |
| May | 58.9 % | 59.1 % | -0.2 |
| Jun | 39.8 % | 39.7 % | +0.1 |
| Jul | 62.1 % | 62.6 % | -0.5 |
| Aug |
| 60.1 % |
| 60 % |
| +0.1 |
| Sep | 56.4 % | 56.9 % | -0.5 |
| Oct | 75 % | 75.3 % | -0.3 |
| Nov | 79.8 % | 78.2 % | +1.6 |
| Dec | 85.9 % | 84.7 % | +1.2 |