Luchtvochtigheid — 2026
| Maand | Leiden | Zoeterwoude | Verschil |
|---|---|---|---|
| Jan | 87.2 % | – | – |
| Feb | 86.9 % | – | – |
| Mrt | 81.3 % | 85.3 % | -4.0 |
| Apr | 75.7 % | 82.6 % | -6.9 |
| Mei | 73.8 % | 71.2 % | +2.6 |
| Jun | 77.8 % | 75.6 % | +2.2 |
| Jul | 74.9 % | 71.5 % | +3.4 |
| Aug |
| 71.5 % |
| 70 % |
| +1.5 |
| Sep | 79.9 % | 80.6 % | -0.7 |
| Okt | 82 % | 84.4 % | -2.4 |
| Nov | – | – | – |
| Dec | – | – | – |