Zonneschijn — 2026
| Month | Katwijk | Wassenaar | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 21.8 uren | 21.6 uren | +0.2 |
| Apr | 30 uren | 30.2 uren | -0.2 |
| May | 423.6 uren | 425 uren | -1.4 |
| Jun | 425.8 uren | 427.1 uren | -1.3 |
| Jul | 441.4 uren | 442 uren | -0.6 |
| Aug |
| 393 uren |
| 394.6 uren |
| -1.6 |
| Sep | 309.9 uren | 310.5 uren | -0.6 |
| Oct | 236 uren | 236.9 uren | -0.9 |
| Nov | – | – | – |
| Dec | – | – | – |