Wind — 2026
| Month | De Bilt | Zeist | Difference |
|---|---|---|---|
| Jan | – | 13.6 km/h | – |
| Feb | – | 14.8 km/h | – |
| Mar | 19.3 km/h | 12.1 km/h | +7.2 |
| Apr | 15.4 km/h | 13.4 km/h | +2.0 |
| May | 12.5 km/h | 11.9 km/h | +0.6 |
| Jun | 14 km/h | 13.4 km/h | +0.6 |
| Jul | 14 km/h | 13.3 km/h | +0.7 |
| Aug |
| 12.8 km/h |
| 12.4 km/h |
| +0.4 |
| Sep | 14.1 km/h | 13 km/h | +1.1 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |