Wind — 2026
| Month | Fléron | Trooz | Difference |
|---|---|---|---|
| Jan | 14.7 km/h | 14.7 km/h | +0.0 |
| Feb | 15.9 km/h | 15.9 km/h | +0.0 |
| Mar | 12.6 km/h | 8.9 km/h | +3.7 |
| Apr | 11.8 km/h | 7.4 km/h | +4.4 |
| May | 11.5 km/h | 11.4 km/h | +0.1 |
| Jun | 12.6 km/h | 12.6 km/h | +0.0 |
| Jul | 11.8 km/h | 10.9 km/h | +0.9 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |