Wind — 2023
| Month | Walhain | Gembloux | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 20.3 km/h | 19.7 km/h | +0.6 |
| Apr | 15 km/h | 15 km/h | +0.0 |
| May | 13.5 km/h | 13.5 km/h | +0.0 |
| Jun | 12.3 km/h | 12.1 km/h | +0.2 |
| Jul | 16.9 km/h | 16.5 km/h | +0.4 |
| Aug |
| 13.3 km/h |
| 13 km/h |
| +0.3 |
| Sep | 12.4 km/h | 11.8 km/h | +0.6 |
| Oct | 18 km/h | 17.4 km/h | +0.6 |
| Nov | 21.3 km/h | 21 km/h | +0.3 |
| Dec | 22 km/h | 21.5 km/h | +0.5 |