Wind — 2020
| Mois | Vlaardingen | Schiedam | Différence |
|---|---|---|---|
| Jan | 21.6 km/h | 19.1 km/h | +2.5 |
| Fév | 30 km/h | 26.8 km/h | +3.2 |
| Mar | 21.9 km/h | 19.5 km/h | +2.4 |
| Avr | 15.4 km/h | 13.9 km/h | +1.5 |
| Mai | 16.2 km/h | 14.5 km/h | +1.7 |
| Juin | 16.1 km/h | 14.4 km/h | +1.7 |
| Juil | 16.7 km/h | 14.8 km/h | +1.9 |
| Aoû | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |