Wind — 2025
| Month | Diest | Halen | Difference |
|---|---|---|---|
| Jan | 12.6 km/h | 12.2 km/h | +0.4 |
| Feb | 11.4 km/h | 10.8 km/h | +0.6 |
| Mar | 9 km/h | 8.3 km/h | +0.7 |
| Apr | 9.8 km/h | 9.4 km/h | +0.4 |
| May | 12.3 km/h | 11.9 km/h | +0.4 |
| Jun | 12 km/h | 11.8 km/h | +0.2 |
| Jul | 10.6 km/h | 10.2 km/h | +0.4 |
| Aug | 10.2 km/h | 9.8 km/h | +0.4 |
| Sep | 13.5 km/h | 13.2 km/h | +0.3 |
| Oct | 13.4 km/h | 13.1 km/h | +0.3 |
| Nov | 12.8 km/h | 12.3 km/h | +0.5 |
| Dec | 13.3 km/h | 12.5 km/h | +0.8 |