Bewolking — 2020
| Monat | Zeist | De Bilt | Unterschied |
|---|---|---|---|
| Jan | 79.7 % | 80.1 % | -0.4 |
| Feb | 75.4 % | 74.7 % | +0.7 |
| Mär | 53.6 % | 54.1 % | -0.5 |
| Apr | 38.1 % | 39.7 % | -1.6 |
| Mai | 49.2 % | 48.6 % | +0.6 |
| Jun | 67.3 % | 68.3 % | -1.0 |
| Jul | 63.9 % | 64.4 % | -0.5 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dez | – | – | – |