Zonneschijn — 2026
| Month | Ridderkerk | Hendrik-Ido-Ambacht | Difference |
|---|---|---|---|
| Jan | 116.1 uren | – | – |
| Feb | 123.9 uren | – | – |
| Mar | 270.9 uren | 16.8 uren | +254.1 |
| Apr | 29.2 uren | 29.8 uren | -0.6 |
| May | 420.1 uren | 418.8 uren | +1.3 |
| Jun | 420.7 uren | 418.4 uren | +2.3 |
| Jul | 439.4 uren | 438.1 uren | +1.3 |
| Aug |
| 391.8 uren |
| 389.4 uren |
| +2.4 |
| Sep | 306.4 uren | 305.5 uren | +0.9 |
| Oct | 236.6 uren | 237.1 uren | -0.5 |
| Nov | – | – | – |
| Dec | – | – | – |