Wind — 2026
| Month | Heemskerk | Beverwijk | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 20.6 km/h | 24.4 km/h | -3.8 |
| Apr | 16.5 km/h | 19.1 km/h | -2.6 |
| May | 15.8 km/h | 15.8 km/h | +0.0 |
| Jun | 17.8 km/h | 17.8 km/h | +0.0 |
| Jul | 16.7 km/h | 17.2 km/h | -0.5 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |