Wind — 2020
| Mois | Katwijk | Wassenaar | Différence |
|---|---|---|---|
| Jan | 24.1 km/h | 28.2 km/h | -4.1 |
| Fév | 32.6 km/h | 37.5 km/h | -4.9 |
| Mar | 24 km/h | 28.1 km/h | -4.1 |
| Avr | 16.8 km/h | 19.4 km/h | -2.6 |
| Mai | 17.6 km/h | 20.4 km/h | -2.8 |
| Juin | 17.5 km/h | 20.3 km/h | -2.8 |
| Juil | 18.2 km/h | 21.3 km/h | -3.1 |
| Aoû | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |