Wind — 2009
| Month | Sint-Gillis-Waas | Waasmunster | Difference |
|---|---|---|---|
| Jan | 14.4 km/h | – | – |
| Feb | 12.9 km/h | – | – |
| Mar | 15.2 km/h | – | – |
| Apr | 11.1 km/h | – | – |
| May | 14 km/h | – | – |
| Jun | 12 km/h | – | – |
| Jul | 13.6 km/h | – | – |
| Aug | 11.7 km/h | – | – |
| Sep |
| 13.8 km/h |
| – |
| – |
| Oct | 13.6 km/h | – | – |
| Nov | 20.9 km/h | – | – |
| Dec | 15.8 km/h | – | – |