Zonneschijn — 2025
| Month | Capelle aan den IJssel | Zuidplas | Difference |
|---|---|---|---|
| Jan | – | 94.8 uren | – |
| Feb | – | 146.1 uren | – |
| Mar | – | 304.2 uren | – |
| Apr | – | 325.4 uren | – |
| May | – | 378.8 uren | – |
| Jun | – | 396.8 uren | – |
| Jul | – | 386.7 uren | – |
| Aug | – | 345.9 uren | – |
| Sep | – | 273.7 uren | – |
| Oct | – | 151.3 uren | – |
| Nov | – | 120.4 uren | – |
| Dec | – | 96.5 uren | – |