Luchtvochtigheid — 2026
| Month | Hillegom | Heemstede | Difference |
|---|---|---|---|
| Jan | 87.9 % | – | – |
| Feb | 86.5 % | – | – |
| Mar | 78.4 % | 82.2 % | -3.8 |
| Apr | 79 % | 78.7 % | +0.3 |
| May | 73.8 % | 73.8 % | +0.0 |
| Jun | 77.8 % | 77.8 % | +0.0 |
| Jul | 74.9 % | 74.9 % | +0.0 |
| Aug |
| 71.5 % |
| 71.5 % |
| +0.0 |
| Sep | 79.9 % | 79.9 % | +0.0 |
| Oct | 82.3 % | 82.2 % | +0.1 |
| Nov | – | – | – |
| Dec | – | – | – |