Wind — 2024
| Month | Lessines | Silly | Difference |
|---|---|---|---|
| Jan | 18.2 km/h | 18.2 km/h | +0.0 |
| Feb | 19.3 km/h | 19.3 km/h | +0.0 |
| Mar | 14.7 km/h | 14.6 km/h | +0.1 |
| Apr | 17.2 km/h | 16.9 km/h | +0.3 |
| May | 11.7 km/h | 11.5 km/h | +0.2 |
| Jun | 12.4 km/h | 12.1 km/h | +0.3 |
| Jul | 11.9 km/h | 11.7 km/h | +0.2 |
| Aug | 12.4 km/h | 12.1 km/h | +0.3 |
| Sep | 14.4 km/h | 14.3 km/h | +0.1 |
| Oct | 12.5 km/h | 12.5 km/h | +0.0 |
| Nov | 12.9 km/h | 12.7 km/h | +0.2 |
| Dec | 16 km/h | 15.8 km/h | +0.2 |