Temperatuur — 2025
| Maand | Hendrik-Ido-Ambacht | Ridderkerk | Verschil |
|---|---|---|---|
| Jan | – | 3.8 °C | – |
| Feb | – | 3.9 °C | – |
| Mrt | – | 7.4 °C | – |
| Apr | – | 11.6 °C | – |
| Mei | – | 14.4 °C | – |
| Jun | – | 18.4 °C | – |
| Jul | – | 19.2 °C | – |
| Aug | – | 18.8 °C | – |
| Sep |
| – |
| 15.6 °C |
| – |
| Okt | – | 12.3 °C | – |
| Nov | – | 8.1 °C | – |
| Dec | – | 6.1 °C | – |