Bewolking — 2020
| Maand | Vlieland | Texel | Verschil |
|---|---|---|---|
| Jan | 81.2 % | 80.1 % | +1.1 |
| Feb | 72.1 % | 73.1 % | -1.0 |
| Mrt | 47.8 % | 48.3 % | -0.5 |
| Apr | 45.7 % | 45.1 % | +0.6 |
| Mei | 44.6 % | 44.2 % | +0.4 |
| Jun | 65 % | 65 % | +0.0 |
| Jul | 61.9 % | 61.5 % | +0.4 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |