Zonneschijn — 2025
| Month | Krimpen aan den IJssel | Capelle aan den IJssel | Difference |
|---|---|---|---|
| Jan | 94.8 uren | – | – |
| Feb | 147.1 uren | – | – |
| Mar | 305.5 uren | – | – |
| Apr | 329.1 uren | – | – |
| May | 378.4 uren | – | – |
| Jun | 394.6 uren | – | – |
| Jul | 390.6 uren | – | – |
| Aug | 344.5 uren | – | – |
| Sep | 272.6 uren | – | – |
| Oct | 150.5 uren | – | – |
| Nov | 119.2 uren | – | – |
| Dec | 98.3 uren | – | – |