Wind — 2026
| Month | Súdwest-Fryslân | Harlingen | Difference |
|---|---|---|---|
| Jan | 20.5 km/h | – | – |
| Feb | 21 km/h | – | – |
| Mar | 17.6 km/h | 33.8 km/h | -16.2 |
| Apr | 17.5 km/h | 28.2 km/h | -10.7 |
| May | 19.2 km/h | 20.9 km/h | -1.7 |
| Jun | 22.1 km/h | 24 km/h | -1.9 |
| Jul | 21 km/h | 24.3 km/h | -3.3 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |