Wind — 2020
| Month | Wassenaar | Leidschendam-Voorburg | Difference |
|---|---|---|---|
| Jan | 28.2 km/h | 19.1 km/h | +9.1 |
| Feb | 37.5 km/h | 26.8 km/h | +10.7 |
| Mar | 28.1 km/h | 19.5 km/h | +8.6 |
| Apr | 19.4 km/h | 13.9 km/h | +5.5 |
| May | 20.4 km/h | 14.5 km/h | +5.9 |
| Jun | 20.3 km/h | 14.4 km/h | +5.9 |
| Jul | 21.3 km/h | 14.8 km/h | +6.5 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |