Wind — 2009
| Mois | Braine-le-Comte | Rebecq | Différence |
|---|---|---|---|
| Jan | 15.1 km/h | – | – |
| Fév | 13.4 km/h | – | – |
| Mar | 15.5 km/h | – | – |
| Avr | 11.3 km/h | – | – |
| Mai | 13.2 km/h | – | – |
| Juin | 11.9 km/h | – | – |
| Juil | 13.8 km/h | – | – |
| Aoû | 11.2 km/h | – | – |
| Sep |
| 13.3 km/h |
| – |
| – |
| Oct | 13.9 km/h | – | – |
| Nov | 22.1 km/h | – | – |
| Déc | 16.5 km/h | – | – |