Bewolking — 2026
| Month | Terschelling | Harlingen | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 60.7 % | 57.5 % | +3.2 |
| Apr | 73.3 % | 75.4 % | -2.1 |
| May | 53.1 % | 53.1 % | +0.0 |
| Jun | 58.7 % | 58.7 % | +0.0 |
| Jul | 56.4 % | 56.4 % | +0.0 |
| Aug |
| 49 % |
| 49 % |
| +0.0 |
| Sep | 67.3 % | 67.5 % | -0.2 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |