Wind — 2025
| Mois | Hillegom | Heemstede | Différence |
|---|---|---|---|
| Jan | 12.7 km/h | – | – |
| Fév | 11.8 km/h | – | – |
| Mar | 9.4 km/h | – | – |
| Avr | 9.6 km/h | – | – |
| Mai | 13 km/h | – | – |
| Juin | 12.8 km/h | – | – |
| Juil | 10.6 km/h | – | – |
| Aoû | 10.7 km/h | – | – |
| Sep |
| 13.3 km/h |
| – |
| – |
| Oct | 14.5 km/h | – | – |
| Nov | 13.1 km/h | – | – |
| Déc | 14.1 km/h | – | – |