Wind — 2026
| Month | Dour | Honnelles | Difference |
|---|---|---|---|
| Jan | 15.6 km/h | 16.2 km/h | -0.6 |
| Feb | 16.9 km/h | 17.7 km/h | -0.8 |
| Mar | 11.8 km/h | 12.1 km/h | -0.3 |
| Apr | 11.2 km/h | 11.7 km/h | -0.5 |
| May | 11.4 km/h | 11.6 km/h | -0.2 |
| Jun | 12.9 km/h | 13.2 km/h | -0.3 |
| Jul | 12.2 km/h | 12.6 km/h | -0.4 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |