Wind — 2026
| Month | Katwijk | Oegstgeest | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 24.8 km/h | 24.2 km/h | +0.6 |
| Apr | 18.4 km/h | 18.3 km/h | +0.1 |
| May | 16.1 km/h | 16.1 km/h | +0.0 |
| Jun | 18.1 km/h | 18.1 km/h | +0.0 |
| Jul | 17.6 km/h | 17.6 km/h | +0.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |