Wind — 2009
| Month | Villers-la-Ville | Court-Saint-Étienne | Difference |
|---|---|---|---|
| Jan | 14.9 km/h | 14.9 km/h | +0.0 |
| Feb | 13.5 km/h | 13.4 km/h | +0.1 |
| Mar | 15.5 km/h | 15.4 km/h | +0.1 |
| Apr | 11.3 km/h | 11 km/h | +0.3 |
| May | 13 km/h | 13.2 km/h | -0.2 |
| Jun | 11.9 km/h | 11.8 km/h | +0.1 |
| Jul | 13.7 km/h | 13.9 km/h | -0.2 |
| Aug | 11 km/h | 11.3 km/h | -0.3 |
| Sep | 13.2 km/h | 13.3 km/h | -0.1 |
| Oct | 14 km/h | 13.9 km/h | +0.1 |
| Nov | 21.8 km/h | 21.9 km/h | -0.1 |
| Dec | 16.5 km/h | 16.4 km/h | +0.1 |