Wind — 2026
| Month | Hillegom | Zandvoort | Difference |
|---|---|---|---|
| Jan | 13.6 km/h | – | – |
| Feb | 14.8 km/h | – | – |
| Mar | 12.2 km/h | 29.6 km/h | -17.4 |
| Apr | 16.5 km/h | 20.5 km/h | -4.0 |
| May | 16.1 km/h | 16.1 km/h | +0.0 |
| Jun | 18.1 km/h | 18.1 km/h | +0.0 |
| Jul | 17.8 km/h | 17.8 km/h | +0.0 |
| Aug |
| 16.5 km/h |
| 16.5 km/h |
| +0.0 |
| Sep | 17.8 km/h | 21 km/h | -3.2 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |