Luchtvochtigheid — 2026
| Month | Haarlemmermeer | Heemstede | Difference |
|---|---|---|---|
| Jan | 87.3 % | – | – |
| Feb | 86.6 % | – | – |
| Mar | 80.6 % | 82.2 % | -1.6 |
| Apr | 75.1 % | 78.7 % | -3.6 |
| May | 73.6 % | 73.8 % | -0.2 |
| Jun | 77.6 % | 77.8 % | -0.2 |
| Jul | 75.1 % | 74.9 % | +0.2 |
| Aug |
| 72.2 % |
| 71.5 % |
| +0.7 |
| Sep | 81 % | 79.9 % | +1.1 |
| Oct | 83.6 % | 82.6 % | +1.0 |
| Nov | – | – | – |
| Dec | – | – | – |