Wind — 2023
| Month | Flémalle | Seraing | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 19.4 km/h | 18.7 km/h | +0.7 |
| Apr | 14.1 km/h | 13.8 km/h | +0.3 |
| May | 12.3 km/h | 11.9 km/h | +0.4 |
| Jun | 11.1 km/h | 10.9 km/h | +0.2 |
| Jul | 16.2 km/h | 15.9 km/h | +0.3 |
| Aug |
| 12.7 km/h |
| 12.3 km/h |
| +0.4 |
| Sep | 11.8 km/h | 11.6 km/h | +0.2 |
| Oct | 17.5 km/h | 17.2 km/h | +0.3 |
| Nov | 21 km/h | 20.7 km/h | +0.3 |
| Dec | 21.6 km/h | 21.3 km/h | +0.3 |