Wind — 2026
| Month | Heemstede | Bloemendaal | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 17.8 km/h | 17.6 km/h | +0.2 |
| Apr | 14.7 km/h | 14.1 km/h | +0.6 |
| May | 16.1 km/h | 19.2 km/h | -3.1 |
| Jun | 18.1 km/h | 21.4 km/h | -3.3 |
| Jul | 17.8 km/h | 21.1 km/h | -3.3 |
| Aug |
| 16.5 km/h |
| 19.8 km/h |
| -3.3 |
| Sep | 19 km/h | 23.5 km/h | -4.5 |
| Oct | 20.3 km/h | 24.4 km/h | -4.1 |
| Nov | – | – | – |
| Dec | – | – | – |