Wind — 2020
| Maand | Midden-Delfland | Vlaardingen | Verschil |
|---|---|---|---|
| Jan | 21.6 km/h | 21.6 km/h | +0.0 |
| Feb | 30 km/h | 30 km/h | +0.0 |
| Mrt | 21.9 km/h | 21.9 km/h | +0.0 |
| Apr | 15.4 km/h | 15.4 km/h | +0.0 |
| Mei | 16.2 km/h | 16.2 km/h | +0.0 |
| Jun | 16.1 km/h | 16.1 km/h | +0.0 |
| Jul | 16.7 km/h | 16.7 km/h | +0.0 |
| Aug | – | – | – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |