Bewolking — 2026
| Month | Opmeer | Hoorn | Difference |
|---|---|---|---|
| Jan | – | 82.5 % | – |
| Feb | – | 80.8 % | – |
| Mar | 57.2 % | 58.2 % | -1.0 |
| Apr | 82 % | 80.8 % | +1.2 |
| May | 56.6 % | 56.6 % | +0.0 |
| Jun | 60 % | 60 % | +0.0 |
| Jul | 54.9 % | 54.9 % | +0.0 |
| Aug |
| 51.1 % |
| 51.1 % |
| +0.0 |
| Sep | 69.2 % | 68.3 % | +0.9 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |