Wind — 2019
| Month | Châtelet | Gerpinnes | Difference |
|---|---|---|---|
| Jan | 16.1 km/h | – | – |
| Feb | 16.1 km/h | – | – |
| Mar | 19.5 km/h | – | – |
| Apr | 12.7 km/h | – | – |
| May | 12.4 km/h | – | – |
| Jun | 13.2 km/h | – | – |
| Jul | 11.4 km/h | – | – |
| Aug | 12.3 km/h | – | – |
| Sep |
| 14.6 km/h |
| – |
| – |
| Oct | 17.4 km/h | – | – |
| Nov | 16.2 km/h | – | – |
| Dec | 19.3 km/h | – | – |