Bewolking — 2026
| Maand | Kaag en Braassem | Alphen aan den Rijn | Verschil |
|---|---|---|---|
| Jan | – | 79.3 % | – |
| Feb | – | 80.7 % | – |
| Mrt | 56.5 % | 54.2 % | +2.3 |
| Apr | 75.8 % | 77.6 % | -1.8 |
| Mei | 59.1 % | 59.9 % | -0.8 |
| Jun | 60.6 % | 62.1 % | -1.5 |
| Jul | 50.6 % | 49.9 % | +0.7 |
| Aug |
| 53.1 % |
| 54.7 % |
| -1.6 |
| Sep | 71.3 % | 72.5 % | -1.2 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |