Wind — 2026
| Month | Oud-Heverlee | Bertem | Difference |
|---|---|---|---|
| Jan | 12.7 km/h | 12.7 km/h | +0.0 |
| Feb | 14 km/h | 14 km/h | +0.0 |
| Mar | 10.4 km/h | 11.4 km/h | -1.0 |
| Apr | 8.9 km/h | 10.5 km/h | -1.6 |
| May | 11.6 km/h | 11.6 km/h | +0.0 |
| Jun | 12.9 km/h | 13 km/h | -0.1 |
| Jul | 12.3 km/h | 12.4 km/h | -0.1 |
| Aug | 12.5 km/h | 12.5 km/h | +0.0 |
| Sep | 12.4 km/h | 12.4 km/h | +0.0 |
| Oct | 13.9 km/h | 14.4 km/h | -0.5 |
| Nov | – | – | – |
| Dec | – | – | – |