Wind — 2011
| Month | Braine-le-Comte | Rebecq | Difference |
|---|---|---|---|
| Jan | 15.9 km/h | – | – |
| Feb | 15.1 km/h | – | – |
| Mar | 13.7 km/h | – | – |
| Apr | 11.2 km/h | – | – |
| May | 13.4 km/h | – | – |
| Jun | 14 km/h | – | – |
| Jul | 12.2 km/h | – | – |
| Aug | 12.4 km/h | – | – |
| Sep |
| 13.9 km/h |
| – |
| – |
| Oct | 15.1 km/h | – | – |
| Nov | 12.9 km/h | – | – |
| Dec | 20.7 km/h | – | – |