Wind — 2026
| Month | Zandvoort | Hillegom | Difference |
|---|---|---|---|
| Jan | – | 13.6 km/h | – |
| Feb | – | 14.8 km/h | – |
| Mar | 29.6 km/h | 12.2 km/h | +17.4 |
| Apr | 20.5 km/h | 16.5 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 | 19.1 km/h | 19 km/h | +0.1 |
| Oct | 22.1 km/h | 20.7 km/h | +1.4 |
| Nov | – | – | – |
| Dec | – | – | – |