Zonneschijn — 2025
| Maand | Zwijndrecht | Ridderkerk | Verschil |
|---|---|---|---|
| Jan | 89.7 uren | 94.4 uren | -4.7 |
| Feb | 141.8 uren | 145 uren | -3.2 |
| Mrt | 307.3 uren | 303.2 uren | +4.1 |
| Apr | 325.6 uren | 328.9 uren | -3.3 |
| Mei | 344.9 uren | 375.3 uren | -30.4 |
| Jun | 380.6 uren | 391.5 uren | -10.9 |
| Jul | 405 uren | 389.5 uren | +15.5 |
| Aug | 341.8 uren | 338.2 uren | +3.6 |
| Sep | 276.2 uren | 271.4 uren | +4.8 |
| Okt | 135.5 uren | 141.1 uren | -5.6 |
| Nov | 128.8 uren | 114.8 uren | +14.0 |
| Dec | 110.1 uren | 99.9 uren | +10.2 |