Zonneschijn — 2023
| Month | Haarlemmermeer | Haarlem | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 84.8 uren | 86.2 uren | -1.4 |
| Apr | 259.4 uren | 264.9 uren | -5.5 |
| May | 361.6 uren | 360.4 uren | +1.2 |
| Jun | 389.5 uren | 391.1 uren | -1.6 |
| Jul | 368.9 uren | 368.5 uren | +0.4 |
| Aug |
| 331.4 uren |
| 335.2 uren |
| -3.8 |
| Sep | 278.9 uren | 281.3 uren | -2.4 |
| Oct | 164.1 uren | 166.8 uren | -2.7 |
| Nov | 117 uren | 115.9 uren | +1.1 |
| Dec | 77.5 uren | 80.2 uren | -2.7 |