Luchtvochtigheid — 2026
| Month | Zuidplas | Capelle aan den IJssel | Difference |
|---|---|---|---|
| Jan | 87.8 % | – | – |
| Feb | 87.3 % | – | – |
| Mar | 78.8 % | 78.4 % | +0.4 |
| Apr | 77.9 % | 74.6 % | +3.3 |
| May | 71.2 % | 71.2 % | +0.0 |
| Jun | 75.6 % | 75.6 % | +0.0 |
| Jul | 70.3 % | 69.4 % | +0.9 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |