Zonneschijn — 2026
| Monat | Alkmaar | Heiloo | Unterschied |
|---|---|---|---|
| Jan | 110.8 uren | – | – |
| Feb | 134.6 uren | – | – |
| Mär | 156 uren | 21.2 uren | +134.8 |
| Apr | 33.9 uren | 36.1 uren | -2.2 |
| Mai | 426.9 uren | 424.2 uren | +2.7 |
| Jun | 429 uren | 426 uren | +3.0 |
| Jul | 413.5 uren | 412.3 uren | +1.2 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dez | – | – | – |