Wind — 2026
| Mois | Leiden | Oegstgeest | Différence |
|---|---|---|---|
| Jan | 14.8 km/h | – | – |
| Fév | 16.2 km/h | – | – |
| Mar | 14 km/h | 24.2 km/h | -10.2 |
| Avr | 17.2 km/h | 18.3 km/h | -1.1 |
| Mai | 16.1 km/h | 16.1 km/h | +0.0 |
| Juin | 18.1 km/h | 18.1 km/h | +0.0 |
| Juil | 17 km/h | 17.1 km/h | -0.1 |
| Aoû |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Déc | – | – | – |