Temperatuur — 2023
| Maand | Capelle aan den IJssel | Krimpen aan den IJssel | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | – | 9.3 °C | – |
| Apr | – | 8.5 °C | – |
| Mei | – | 12.9 °C | – |
| Jun | – | 19.2 °C | – |
| Jul | – | 18.3 °C | – |
| Aug | – | 17.7 °C | – |
| Sep |
| – |
| 18.2 °C |
| – |
| Okt | – | 13.6 °C | – |
| Nov | – | 8 °C | – |
| Dec | – | 6.7 °C | – |