Luchtvochtigheid — 2020
| Monat | Haarlem | Bloemendaal | Unterschied |
|---|---|---|---|
| Jan | 88.3 % | 87.1 % | +1.2 |
| Feb | 80.4 % | 79.8 % | +0.6 |
| Mär | 75 % | 76.4 % | -1.4 |
| Apr | 69.8 % | 73.5 % | -3.7 |
| Mai | 73.9 % | 76.4 % | -2.5 |
| Jun | 77.9 % | 80.6 % | -2.7 |
| Jul | 78.9 % | 78.5 % | +0.4 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dez | – | – | – |