Luchtvochtigheid — 2026
| Month | Wassenaar | Voorschoten | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 85 % | 83.5 % | +1.5 |
| Apr | 82 % | 80 % | +2.0 |
| May | 77.5 % | 71.2 % | +6.3 |
| Jun | 80.8 % | 75.6 % | +5.2 |
| Jul | 78.4 % | 71.5 % | +6.9 |
| Aug |
| 73.8 % |
| 70 % |
| +3.8 |
| Sep | 79.2 % | 80.6 % | -1.4 |
| Oct | 81.3 % | 84 % | -2.7 |
| Nov | – | – | – |
| Dec | – | – | – |