Wind — 2011
| Month | Lierde | Zottegem | Difference |
|---|---|---|---|
| Jan | 15 km/h | – | – |
| Feb | 14.6 km/h | – | – |
| Mar | 12.8 km/h | – | – |
| Apr | 11.1 km/h | – | – |
| May | 13.3 km/h | – | – |
| Jun | 13.3 km/h | – | – |
| Jul | 12 km/h | – | – |
| Aug | 11.7 km/h | – | – |
| Sep |
| 13.4 km/h |
| – |
| – |
| Oct | 14.1 km/h | – | – |
| Nov | 11.7 km/h | – | – |
| Dec | 19.2 km/h | – | – |