Zonneschijn — 2026
| Maand | Voorne aan Zee | Maassluis | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 22.1 uren | 19.7 uren | +2.4 |
| Apr | 29.6 uren | 30 uren | -0.4 |
| Mei | 422.6 uren | 423.5 uren | -0.9 |
| Jun | 423.2 uren | 425.1 uren | -1.9 |
| Jul | 374 uren | 370.4 uren | +3.6 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |