Zonneschijn — 2025
| Monat | Vlaardingen | Schiedam | Unterschied |
|---|---|---|---|
| Jan | 99.8 uren | – | – |
| Feb | 153.6 uren | – | – |
| Mär | 316 uren | – | – |
| Apr | 335.9 uren | – | – |
| Mai | 375.1 uren | – | – |
| Jun | 406.5 uren | – | – |
| Jul | 408.3 uren | – | – |
| Aug | 356.2 uren | – | – |
| Sep |
| 281.1 uren |
| – |
| – |
| Okt | 162.9 uren | – | – |
| Nov | 124.2 uren | – | – |
| Dez | 105.8 uren | – | – |