Wind — 2026
| Month | Duffel | Sint-Katelijne-Waver | Difference |
|---|---|---|---|
| Jan | 12 km/h | 12 km/h | +0.0 |
| Feb | 13.4 km/h | 13.4 km/h | +0.0 |
| Mar | 11 km/h | 11.3 km/h | -0.3 |
| Apr | 10.5 km/h | 11 km/h | -0.5 |
| May | 11.1 km/h | 11.1 km/h | +0.0 |
| Jun | 12.4 km/h | 12.4 km/h | +0.0 |
| Jul | 12 km/h | 12 km/h | +0.0 |
| Aug | 12 km/h | 12 km/h | +0.0 |
| Sep | 11.9 km/h | 12.1 km/h | -0.2 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |