Luchtvochtigheid — 2020
| Maand | Voorne aan Zee | Maassluis | Verschil |
|---|---|---|---|
| Jan | 88.4 % | 88.1 % | +0.3 |
| Feb | 80.1 % | 79.8 % | +0.3 |
| Mrt | 73.3 % | 73.4 % | -0.1 |
| Apr | 65.7 % | 67.4 % | -1.7 |
| Mei | 65.8 % | 68.7 % | -2.9 |
| Jun | 74 % | 74.8 % | -0.8 |
| Jul | 74.9 % | 75.7 % | -0.8 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |