Wind — 2020
| Month | Lierneux | Stoumont | Difference |
|---|---|---|---|
| Jan | 16.6 km/h | 17.6 km/h | -1.0 |
| Feb | 23.8 km/h | 24.7 km/h | -0.9 |
| Mar | 17.7 km/h | 17.8 km/h | -0.1 |
| Apr | 12.2 km/h | 12.2 km/h | +0.0 |
| May | 12.1 km/h | 12.2 km/h | -0.1 |
| Jun | 11.7 km/h | 12 km/h | -0.3 |
| Jul | 11.9 km/h | 12.2 km/h | -0.3 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |