Luchtvochtigheid — 2026
| Month | Heemstede | Haarlem | Difference |
|---|---|---|---|
| Jan | – | 87.1 % | – |
| Feb | – | 86.9 % | – |
| Mar | 82.2 % | 80.9 % | +1.3 |
| Apr | 78.7 % | 75.8 % | +2.9 |
| May | 73.8 % | 75.6 % | -1.8 |
| Jun | 77.8 % | 79.8 % | -2.0 |
| Jul | 72.9 % | 75.1 % | -2.2 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |