Wind — 2025
| Mois | Genappe | Lasne | Différence |
|---|---|---|---|
| Jan | 13.6 km/h | 13.5 km/h | +0.1 |
| Fév | 12.3 km/h | 12.2 km/h | +0.1 |
| Mar | 10 km/h | 9.9 km/h | +0.1 |
| Avr | 10.3 km/h | 10.1 km/h | +0.2 |
| Mai | 12.5 km/h | 12 km/h | +0.5 |
| Juin | 12.2 km/h | 12.1 km/h | +0.1 |
| Juil | 10.8 km/h | 10.5 km/h | +0.3 |
| Aoû | 10.8 km/h | 10.5 km/h | +0.3 |
| Sep | 14.8 km/h | 14.6 km/h | +0.2 |
| Oct | 14.5 km/h | 14.3 km/h | +0.2 |
| Nov | 14.1 km/h | 14.2 km/h | -0.1 |
| Déc | 14.4 km/h | 14.4 km/h | +0.0 |