Temperatuur — 2025
| Month | Hendrik-Ido-Ambacht | Zwijndrecht | Difference |
|---|---|---|---|
| Jan | – | 3.4 °C | – |
| Feb | – | 4.2 °C | – |
| Mar | – | 7.8 °C | – |
| Apr | – | 12.6 °C | – |
| May | – | 15.3 °C | – |
| Jun | – | 19.7 °C | – |
| Jul | – | 19.7 °C | – |
| Aug | – | 19.7 °C | – |
| Sep |
| – |
| 15.9 °C |
| – |
| Oct | – | 12.3 °C | – |
| Nov | – | 8.2 °C | – |
| Dec | – | 6.1 °C | – |