Wind — 2026
| Month | Ham-sur-Heure-Nalinnes | Montigny-le-Tilleul | Difference |
|---|---|---|---|
| Jan | 15.7 km/h | 15.2 km/h | +0.5 |
| Feb | 17.2 km/h | 16.6 km/h | +0.6 |
| Mar | 10.9 km/h | 9.7 km/h | +1.2 |
| Apr | 9.7 km/h | 8.7 km/h | +1.0 |
| May | 11.9 km/h | 11.6 km/h | +0.3 |
| Jun | 13.3 km/h | 12.8 km/h | +0.5 |
| Jul | 12.6 km/h | 12.1 km/h | +0.5 |
| Aug | 12.6 km/h | 12.2 km/h | +0.4 |
| Sep | 12.5 km/h | 12 km/h | +0.5 |
| Oct | 14.7 km/h | 14 km/h | +0.7 |
| Nov | – | – | – |
| Dec | – | – | – |