Zonneschijn — 2026
| Month | Simpelveld | Heerlen | Difference |
|---|---|---|---|
| Jan | – | 119.2 uren | – |
| Feb | – | 130.6 uren | – |
| Mar | 10.2 uren | 148.4 uren | -138.2 |
| Apr | 27.6 uren | 27.8 uren | -0.2 |
| May | 408.1 uren | 408.8 uren | -0.7 |
| Jun | 418.4 uren | 417.4 uren | +1.0 |
| Jul | 368.7 uren | 366.2 uren | +2.5 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |