Wind — 2018
| Month | Lierde | Geraardsbergen | Difference |
|---|---|---|---|
| Jan | 18.4 km/h | – | – |
| Feb | 15.7 km/h | – | – |
| Mar | 15.4 km/h | – | – |
| Apr | 13.5 km/h | – | – |
| May | 10.7 km/h | – | – |
| Jun | 12.5 km/h | – | – |
| Jul | 10.4 km/h | – | – |
| Aug | 12 km/h | – | – |
| Sep |
| 12 km/h |
| – |
| – |
| Oct | 12.9 km/h | – | – |
| Nov | 14.5 km/h | – | – |
| Dec | 16.4 km/h | – | – |