Wind — 2007
| Month | Charleroi | Châtelet | Difference |
|---|---|---|---|
| Jan | – | 21.5 km/h | – |
| Feb | – | 16.5 km/h | – |
| Mar | – | 15.9 km/h | – |
| Apr | – | 10.1 km/h | – |
| May | – | 15.4 km/h | – |
| Jun | – | 13.3 km/h | – |
| Jul | – | 15.9 km/h | – |
| Aug | – | 12.4 km/h | – |
| Sep |
| – |
| 12.8 km/h |
| – |
| Oct | – | 10.5 km/h | – |
| Nov | – | 15 km/h | – |
| Dec | – | 17.3 km/h | – |