Zonneschijn — 2025
| Month | Leidschendam-Voorburg | Voorschoten | Difference |
|---|---|---|---|
| Jan | 99.5 uren | – | – |
| Feb | 148.5 uren | – | – |
| Mar | 311.2 uren | – | – |
| Apr | 328.6 uren | – | – |
| May | 381.5 uren | – | – |
| Jun | 404.4 uren | – | – |
| Jul | 405.8 uren | – | – |
| Aug | 354.7 uren | – | – |
| Sep | 280 uren | – | – |
| Oct | 163.2 uren | – | – |
| Nov | 128.7 uren | – | – |
| Dec | 102.3 uren | – | – |