Bewolking — 2024
| Month | Kaag en Braassem | Alphen aan den Rijn | Difference |
|---|---|---|---|
| Jan | – | 70.9 % | – |
| Feb | – | 87.1 % | – |
| Mar | – | 80.9 % | – |
| Apr | – | 76.3 % | – |
| May | – | 67.3 % | – |
| Jun | – | 61.7 % | – |
| Jul | – | 66.3 % | – |
| Aug | – | 60.6 % | – |
| Sep |
| – |
| 58.1 % |
| – |
| Oct | – | 67.9 % | – |
| Nov | – | 77.6 % | – |
| Dec | – | 91.7 % | – |