Zonneschijn — 2026
| Month | Capelle aan den IJssel | Krimpen aan den IJssel | Difference |
|---|---|---|---|
| Jan | – | 113.6 uren | – |
| Feb | – | 125.8 uren | – |
| Mar | 17.2 uren | 270.3 uren | -253.1 |
| Apr | 28.1 uren | 28 uren | +0.1 |
| May | 422 uren | 422 uren | +0.0 |
| Jun | 423.6 uren | 423.6 uren | +0.0 |
| Jul | 440.8 uren | 440.8 uren | +0.0 |
| Aug |
| 392.6 uren |
| 392.6 uren |
| +0.0 |
| Sep | 309 uren | 309 uren | +0.0 |
| Oct | 236.6 uren | 236.6 uren | +0.0 |
| Nov | – | – | – |
| Dec | – | – | – |