Bewolking — 2026
| Month | Purmerend | Oostzaan | Difference |
|---|---|---|---|
| Jan | 81.3 % | 82.6 % | -1.3 |
| Feb | 78.2 % | 78.7 % | -0.5 |
| Mar | 56.4 % | 55.9 % | +0.5 |
| Apr | 80.9 % | 79.9 % | +1.0 |
| May | 58.9 % | 58.9 % | +0.0 |
| Jun | 61.1 % | 61.1 % | +0.0 |
| Jul | 53.6 % | 53.6 % | +0.0 |
| Aug |
| 52.7 % |
| 52.7 % |
| +0.0 |
| Sep | 70 % | 70 % | +0.0 |
| Oct | 68.1 % | 68.3 % | -0.2 |
| Nov | – | – | – |
| Dec | – | – | – |