Wind — 2026
| Mois | Lessines | Silly | Différence |
|---|---|---|---|
| Jan | 14.2 km/h | 14.4 km/h | -0.2 |
| Fév | 15.8 km/h | 15.8 km/h | +0.0 |
| Mar | 11.6 km/h | 11.6 km/h | +0.0 |
| Avr | 10.3 km/h | 11.1 km/h | -0.8 |
| Mai | 11.5 km/h | 11.7 km/h | -0.2 |
| Juin | 12.9 km/h | 13.1 km/h | -0.2 |
| Juil | 12 km/h | 12.3 km/h | -0.3 |
| Aoû | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |