Wind — 2026
| Month | Gembloux | Sombreffe | Difference |
|---|---|---|---|
| Jan | 14.5 km/h | 13.9 km/h | +0.6 |
| Feb | 16.1 km/h | 15.6 km/h | +0.5 |
| Mar | 10.6 km/h | 12 km/h | -1.4 |
| Apr | 13.3 km/h | 13 km/h | +0.3 |
| May | 11.6 km/h | 11.7 km/h | -0.1 |
| Jun | 12.9 km/h | 13 km/h | -0.1 |
| Jul | 12.2 km/h | 12.3 km/h | -0.1 |
| Aug | 12.4 km/h | 12.5 km/h | -0.1 |
| Sep | 12.1 km/h | 11.7 km/h | +0.4 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |