Bewolking — 2026
| Maand | Vlieland | Harlingen | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 55.3 % | 57.5 % | -2.2 |
| Apr | 72.4 % | 75.4 % | -3.0 |
| Mei | 53.1 % | 53.1 % | +0.0 |
| Jun | 58.9 % | 58.7 % | +0.2 |
| Jul | 56.1 % | 56.4 % | -0.3 |
| Aug |
| 48.3 % |
| 49 % |
| -0.7 |
| Sep | 69.3 % | 68 % | +1.3 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |