Wind — 2018
| Month | Assesse | Ciney | Difference |
|---|---|---|---|
| Jan | 20.6 km/h | – | – |
| Feb | 16.7 km/h | – | – |
| Mar | 17.1 km/h | – | – |
| Apr | 15 km/h | – | – |
| May | 12 km/h | – | – |
| Jun | 12.2 km/h | – | – |
| Jul | 10.8 km/h | – | – |
| Aug | 12.6 km/h | – | – |
| Sep |
| 12.2 km/h |
| – |
| – |
| Oct | 14.6 km/h | – | – |
| Nov | 16.2 km/h | – | – |
| Dec | 18.4 km/h | – | – |