Zonneschijn — 2026
| Month | Wassenaar | Katwijk | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 21.6 uren | 21.8 uren | -0.2 |
| Apr | 30.2 uren | 30 uren | +0.2 |
| May | 425 uren | 423.6 uren | +1.4 |
| Jun | 427.1 uren | 425.8 uren | +1.3 |
| Jul | 442 uren | 441.4 uren | +0.6 |
| Aug |
| 394.6 uren |
| 393 uren |
| +1.6 |
| Sep | 91 uren | 92.3 uren | -1.3 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |