Zonneschijn — 2026
| Month | Velsen | Haarlem | Difference |
|---|---|---|---|
| Jan | – | 105 uren | – |
| Feb | – | 135.4 uren | – |
| Mar | 23 uren | 155.9 uren | -132.9 |
| Apr | 38.5 uren | 32.1 uren | +6.4 |
| May | 424.9 uren | 424.2 uren | +0.7 |
| Jun | 427.2 uren | 426 uren | +1.2 |
| Jul | 365.4 uren | 366.7 uren | -1.3 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |