Wind — 2021
| Month | Villers-la-Ville | Genappe | Difference |
|---|---|---|---|
| Jan | 16.9 km/h | – | – |
| Feb | 17.9 km/h | – | – |
| Mar | 15.6 km/h | – | – |
| Apr | 12.8 km/h | – | – |
| May | 17.1 km/h | – | – |
| Jun | 11.1 km/h | – | – |
| Jul | 13.4 km/h | – | – |
| Aug | 13.7 km/h | – | – |
| Sep |
| 11.2 km/h |
| – |
| – |
| Oct | 16.8 km/h | – | – |
| Nov | 12.9 km/h | – | – |
| Dec | 15.9 km/h | – | – |