Wind — 2026
| Month | Bièvre | Vresse-sur-Semois | Difference |
|---|---|---|---|
| Jan | 15.7 km/h | 12.6 km/h | +3.1 |
| Feb | 17.4 km/h | 14.8 km/h | +2.6 |
| Mar | 9.7 km/h | 7.2 km/h | +2.5 |
| Apr | 10.8 km/h | 7.4 km/h | +3.4 |
| May | 11.1 km/h | 10.8 km/h | +0.3 |
| Jun | 12.1 km/h | 12 km/h | +0.1 |
| Jul | 11.6 km/h | 11.8 km/h | -0.2 |
| Aug | 12.2 km/h | 12.2 km/h | +0.0 |
| Sep | 10.1 km/h | 8.4 km/h | +1.7 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |