Luchtvochtigheid — 2026
| Month | Wassenaar | Katwijk | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 85 % | 84.1 % | +0.9 |
| Apr | 82 % | 80.5 % | +1.5 |
| May | 77.5 % | 73.8 % | +3.7 |
| Jun | 80.8 % | 77.8 % | +3.0 |
| Jul | 78.4 % | 74.9 % | +3.5 |
| Aug |
| 73.8 % |
| 71.5 % |
| +2.3 |
| Sep | 77.5 % | 76.8 % | +0.7 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |