Luchtvochtigheid — 2026
| Maand | Voorschoten | Leiden | Verschil |
|---|---|---|---|
| Jan | – | 87.2 % | – |
| Feb | – | 86.9 % | – |
| Mrt | 83.5 % | 81.3 % | +2.2 |
| Apr | 80 % | 75.7 % | +4.3 |
| Mei | 71.2 % | 73.8 % | -2.6 |
| Jun | 75.6 % | 77.8 % | -2.2 |
| Jul | 71.8 % | 72.9 % | -1.1 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |