Wind — 2026
| Month | Zoeterwoude | Leiderdorp | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 22.5 km/h | 22.3 km/h | +0.2 |
| Apr | 17 km/h | 17 km/h | +0.0 |
| May | 13.1 km/h | 16.1 km/h | -3.0 |
| Jun | 14.9 km/h | 18.1 km/h | -3.2 |
| Jul | 14.3 km/h | 17.8 km/h | -3.5 |
| Aug |
| 13.5 km/h |
| 16.5 km/h |
| -3.0 |
| Sep | 14.7 km/h | 19 km/h | -4.3 |
| Oct | 17 km/h | 20.6 km/h | -3.6 |
| Nov | – | – | – |
| Dec | – | – | – |