Zonneschijn — 2025
| Monat | Heerlen | Landgraaf | Unterschied |
|---|---|---|---|
| Jan | 111.8 uren | – | – |
| Feb | 151 uren | – | – |
| Mär | 282.5 uren | – | – |
| Apr | 312.8 uren | – | – |
| Mai | 357.2 uren | – | – |
| Jun | 393.3 uren | – | – |
| Jul | 371.8 uren | – | – |
| Aug | 331.9 uren | – | – |
| Sep |
| 267.3 uren |
| – |
| – |
| Okt | 134.4 uren | – | – |
| Nov | 135.4 uren | – | – |
| Dez | 111.7 uren | – | – |