Luchtvochtigheid — 2026
| Month | Voorschoten | Leiden | Difference |
|---|---|---|---|
| Jan | – | 87.2 % | – |
| Feb | – | 86.9 % | – |
| Mar | 83.5 % | 81.3 % | +2.2 |
| Apr | 80 % | 75.7 % | +4.3 |
| May | 71.2 % | 73.8 % | -2.6 |
| Jun | 75.6 % | 77.8 % | -2.2 |
| Jul | 71.5 % | 74.9 % | -3.4 |
| Aug |
| 70 % |
| 71.5 % |
| -1.5 |
| Sep | 77.5 % | 74.3 % | +3.2 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |