Luchtvochtigheid — 2026
| Month | Ridderkerk | Zwijndrecht | Difference |
|---|---|---|---|
| Jan | 88.4 % | 88.1 % | +0.3 |
| Feb | 87.8 % | 87.3 % | +0.5 |
| Mar | 78.3 % | 78.1 % | +0.2 |
| Apr | 75.9 % | 63.6 % | +12.3 |
| May | 69.9 % | 71.6 % | -1.7 |
| Jun | 74.3 % | 75.2 % | -0.9 |
| Jul | 68.9 % | 68.3 % | +0.6 |
| Aug |
| 68.5 % |
| 68 % |
| +0.5 |
| Sep | 79.4 % | 79.3 % | +0.1 |
| Oct | 84.3 % | 85.4 % | -1.1 |
| Nov | – | – | – |
| Dec | – | – | – |