Temperatuur — 2025
| Maand | Zuidplas | Krimpen aan den IJssel | Verschil |
|---|---|---|---|
| Jan | 3.8 °C | 3.8 °C | +0.0 |
| Feb | 3.8 °C | 3.9 °C | -0.1 |
| Mrt | 7 °C | 7.1 °C | -0.1 |
| Apr | 11.1 °C | 11.3 °C | -0.2 |
| Mei | 13.7 °C | 14 °C | -0.3 |
| Jun | 17.9 °C | 18.2 °C | -0.3 |
| Jul | 18.7 °C | 19.1 °C | -0.4 |
| Aug |
| 18.4 °C |
| 18.8 °C |
| -0.4 |
| Sep | 15.3 °C | 15.5 °C | -0.2 |
| Okt | 12.3 °C | 12.4 °C | -0.1 |
| Nov | 8.1 °C | 8.1 °C | +0.0 |
| Dec | 6.2 °C | 6.2 °C | +0.0 |