Wind — 2001
| Month | Court-Saint-Étienne | Ottignies-Louvain-la-Neuve | Difference |
|---|---|---|---|
| Jan | 16.3 km/h | – | – |
| Feb | 16.1 km/h | – | – |
| Mar | 14.8 km/h | – | – |
| Apr | 15.4 km/h | – | – |
| May | 14.1 km/h | – | – |
| Jun | 12.6 km/h | – | – |
| Jul | 13 km/h | – | – |
| Aug | 12.8 km/h | – | – |
| Sep | 15.5 km/h | – | – |
| Oct | 17 km/h | – | – |
| Nov | 12.8 km/h | – | – |
| Dec | 15.1 km/h | – | – |