Bewolking — 2026
| Month | Kaag en Braassem | Leiderdorp | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 56.5 % | 55.8 % | +0.7 |
| Apr | 75.8 % | 78.3 % | -2.5 |
| May | 59.1 % | 57.7 % | +1.4 |
| Jun | 60.6 % | 59.4 % | +1.2 |
| Jul | 50.6 % | 49.8 % | +0.8 |
| Aug |
| 53.1 % |
| 52.1 % |
| +1.0 |
| Sep | 72.4 % | 71.2 % | +1.2 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |