Zonneschijn — 2026
| Month | Voorne aan Zee | Maassluis | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 22.1 uren | 19.7 uren | +2.4 |
| Apr | 29.6 uren | 30 uren | -0.4 |
| May | 422.6 uren | 423.5 uren | -0.9 |
| Jun | 423.2 uren | 425.1 uren | -1.9 |
| Jul | 441.2 uren | 441.6 uren | -0.4 |
| Aug |
| 394 uren |
| 394.1 uren |
| -0.1 |
| Sep | 308.3 uren | 309.1 uren | -0.8 |
| Oct | 234 uren | 233.9 uren | +0.1 |
| Nov | – | – | – |
| Dec | – | – | – |