Luchtvochtigheid — 2020
| Month | Barendrecht | Zwijndrecht | Difference |
|---|---|---|---|
| Jan | 89.2 % | 88.9 % | +0.3 |
| Feb | 80.5 % | 80.5 % | +0.0 |
| Mar | 72.9 % | 73.1 % | -0.2 |
| Apr | 64.3 % | 63.6 % | +0.7 |
| May | 64.5 % | 63.4 % | +1.1 |
| Jun | 72.3 % | 72.5 % | -0.2 |
| Jul | 75.9 % | 75.4 % | +0.5 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |