Wind — 2026
| Month | Hardinxveld-Giessendam | Sliedrecht | Difference |
|---|---|---|---|
| Jan | 13.5 km/h | – | – |
| Feb | 15.2 km/h | – | – |
| Mar | 12.5 km/h | 19.7 km/h | -7.2 |
| Apr | 15.9 km/h | 15.3 km/h | +0.6 |
| May | 12.1 km/h | 12.1 km/h | +0.0 |
| Jun | 13.7 km/h | 13.7 km/h | +0.0 |
| Jul | 13.5 km/h | 13.4 km/h | +0.1 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |