Zonneschijn — 2026
| Month | Krimpen aan den IJssel | Alblasserdam | Difference |
|---|---|---|---|
| Jan | 113.6 uren | – | – |
| Feb | 125.8 uren | – | – |
| Mar | 270.3 uren | 16.5 uren | +253.8 |
| Apr | 28 uren | 30.2 uren | -2.2 |
| May | 422 uren | 418.8 uren | +3.2 |
| Jun | 423.6 uren | 418.5 uren | +5.1 |
| Jul | 440.8 uren | 438 uren | +2.8 |
| Aug |
| 392.6 uren |
| 389.4 uren |
| +3.2 |
| Sep | 309 uren | 305.5 uren | +3.5 |
| Oct | 238.9 uren | 237.3 uren | +1.6 |
| Nov | – | – | – |
| Dec | – | – | – |