Bewolking — 2020
| Month | Oostzaan | Landsmeer | Difference |
|---|---|---|---|
| Jan | 79.9 % | 79.9 % | +0.0 |
| Feb | 74.1 % | 74.1 % | +0.0 |
| Mar | 52.8 % | 52.8 % | +0.0 |
| Apr | 40.4 % | 40.4 % | +0.0 |
| May | 46.2 % | 46.2 % | +0.0 |
| Jun | 67.8 % | 67.8 % | +0.0 |
| Jul | 63.1 % | 63.1 % | +0.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |