Luchtvochtigheid — 2026
| Maand | Alphen aan den Rijn | Kaag en Braassem | Verschil |
|---|---|---|---|
| Jan | 88.7 % | – | – |
| Feb | 87.5 % | – | – |
| Mrt | 79.7 % | 82.2 % | -2.5 |
| Apr | 78.9 % | 79 % | -0.1 |
| Mei | 71.6 % | 73.6 % | -2.0 |
| Jun | 75.8 % | 77.6 % | -1.8 |
| Jul | 71.5 % | 74.1 % | -2.6 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |