Zonneschijn — 2026
| Month | Heemstede | Hillegom | Difference |
|---|---|---|---|
| Jan | – | 109.7 uren | – |
| Feb | – | 129.5 uren | – |
| Mar | 21.8 uren | 265.2 uren | -243.4 |
| Apr | 32.7 uren | 34.7 uren | -2.0 |
| May | 423.6 uren | 423.6 uren | +0.0 |
| Jun | 425.7 uren | 425.7 uren | +0.0 |
| Jul | 441.3 uren | 441.4 uren | -0.1 |
| Aug |
| 393 uren |
| 392.9 uren |
| +0.1 |
| Sep | 91.8 uren | 90.8 uren | +1.0 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |