Wind — 2026
| Month | Chastre | Mont-Saint-Guibert | Difference |
|---|---|---|---|
| Jan | 15.1 km/h | 15.1 km/h | +0.0 |
| Feb | 16.4 km/h | 16.4 km/h | +0.0 |
| Mar | 12.5 km/h | 11.5 km/h | +1.0 |
| Apr | 11.4 km/h | 10.5 km/h | +0.9 |
| May | 11.6 km/h | 11.7 km/h | -0.1 |
| Jun | 12.9 km/h | 13.1 km/h | -0.2 |
| Jul | 12.1 km/h | 12.1 km/h | +0.0 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |