Zonneschijn — 2026
| Month | Heemstede | Haarlem | Difference |
|---|---|---|---|
| Jan | – | 105 uren | – |
| Feb | – | 135.4 uren | – |
| Mar | 21.8 uren | 155.9 uren | -134.1 |
| Apr | 32.7 uren | 32.1 uren | +0.6 |
| May | 423.6 uren | 424.2 uren | -0.6 |
| Jun | 425.7 uren | 426 uren | -0.3 |
| Jul | 441.3 uren | 440.8 uren | +0.5 |
| Aug |
| 393 uren |
| 392.2 uren |
| +0.8 |
| Sep | 310 uren | 308.3 uren | +1.7 |
| Oct | 234.6 uren | 232.9 uren | +1.7 |
| Nov | – | – | – |
| Dec | – | – | – |