Zonneschijn — 2025
| Maand | Capelle aan den IJssel | Ridderkerk | Verschil |
|---|---|---|---|
| Jan | – | 94.4 uren | – |
| Feb | – | 145 uren | – |
| Mrt | – | 303.2 uren | – |
| Apr | – | 328.9 uren | – |
| Mei | – | 375.3 uren | – |
| Jun | – | 391.5 uren | – |
| Jul | – | 389.5 uren | – |
| Aug | – | 338.2 uren | – |
| Sep | – | 271.4 uren | – |
| Okt | – | 141.1 uren | – |
| Nov | – | 114.8 uren | – |
| Dec | – | 99.9 uren | – |