Wind — 2026
| Maand | Alphen aan den Rijn | Kaag en Braassem | Verschil |
|---|---|---|---|
| Jan | 13.5 km/h | – | – |
| Feb | 14.9 km/h | – | – |
| Mrt | 12.4 km/h | 22.7 km/h | -10.3 |
| Apr | 16.8 km/h | 17.4 km/h | -0.6 |
| Mei | 12.2 km/h | 14.6 km/h | -2.4 |
| Jun | 13.8 km/h | 16.3 km/h | -2.5 |
| Jul | 13.5 km/h | 15.9 km/h | -2.4 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |