Zonneschijn — 2025
| Month | Ridderkerk | Hendrik-Ido-Ambacht | Difference |
|---|---|---|---|
| Jan | 94.4 uren | – | – |
| Feb | 145 uren | – | – |
| Mar | 303.2 uren | – | – |
| Apr | 328.9 uren | – | – |
| May | 375.3 uren | – | – |
| Jun | 391.5 uren | – | – |
| Jul | 389.5 uren | – | – |
| Aug | 338.2 uren | – | – |
| Sep |
| 271.4 uren |
| – |
| – |
| Oct | 141.1 uren | – | – |
| Nov | 114.8 uren | – | – |
| Dec | 99.9 uren | – | – |