Bewolking — 2023
| Monat | Purmerend | Oostzaan | Unterschied |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mär | 83.6 % | 100 % | -16.4 |
| Apr | 62.3 % | 62.3 % | +0.0 |
| Mai | 67.3 % | 67.8 % | -0.5 |
| Jun | 41.6 % | 41.8 % | -0.2 |
| Jul | 62.7 % | 61.7 % | +1.0 |
| Aug |
| 60.6 % |
| 61.3 % |
| -0.7 |
| Sep | 63.9 % | 64.7 % | -0.8 |
| Okt | 83.9 % | 84.9 % | -1.0 |
| Nov | 77.5 % | 77.6 % | -0.1 |
| Dez | 84.4 % | 84.8 % | -0.4 |