Luchtvochtigheid — 2026
| Month | Leiderdorp | Zoeterwoude | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 83.3 % | 85.3 % | -2.0 |
| Apr | 80.4 % | 82.6 % | -2.2 |
| May | 73.8 % | 71.2 % | +2.6 |
| Jun | 77.8 % | 75.6 % | +2.2 |
| Jul | 75 % | 71.5 % | +3.5 |
| Aug |
| 71.5 % |
| 70 % |
| +1.5 |
| Sep | 79.9 % | 80.6 % | -0.7 |
| Oct | 82.8 % | 84.5 % | -1.7 |
| Nov | – | – | – |
| Dec | – | – | – |