Temperatuur — 2023
| Month | Krimpen aan den IJssel | Capelle aan den IJssel | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 9.3 °C | – | – |
| Apr | 8.5 °C | – | – |
| May | 12.9 °C | – | – |
| Jun | 19.2 °C | – | – |
| Jul | 18.3 °C | – | – |
| Aug | 17.7 °C | – | – |
| Sep |
| 18.2 °C |
| – |
| – |
| Oct | 13.6 °C | – | – |
| Nov | 8 °C | – | – |
| Dec | 6.7 °C | – | – |