Luchtvochtigheid — 2026
| Month | Barendrecht | Zwijndrecht | Difference |
|---|---|---|---|
| Jan | – | 88.1 % | – |
| Feb | – | 87.3 % | – |
| Mar | 82 % | 78.1 % | +3.9 |
| Apr | 78.5 % | 63.6 % | +14.9 |
| 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 | 84.7 % | 85.3 % | -0.6 |
| Nov | – | – | – |
| Dec | – | – | – |