Zonneschijn — 2026
| Maand | Ridderkerk | Zwijndrecht | Verschil |
|---|---|---|---|
| Jan | 116.1 uren | 118.4 uren | -2.3 |
| Feb | 123.9 uren | 120.1 uren | +3.8 |
| Mrt | 270.9 uren | 269.3 uren | +1.6 |
| Apr | 29.2 uren | 292.3 uren | -263.1 |
| Mei | 420.1 uren | 413.8 uren | +6.3 |
| Jun | 420.7 uren | 418.8 uren | +1.9 |
| Jul | 371.3 uren | 373.2 uren | -1.9 |
| Aug | – | – | – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |