Zonneschijn — 2026
| Maand | Herk-de-Stad | Lummen | Verschil |
|---|---|---|---|
| Jan | 116.8 uren | 117.8 uren | -1.0 |
| Feb | 127 uren | 126.9 uren | +0.1 |
| Mrt | 237.2 uren | 225.1 uren | +12.1 |
| Apr | 295 uren | 296.7 uren | -1.7 |
| Mei | 408.9 uren | 408.9 uren | +0.0 |
| Jun | 416.5 uren | 416.4 uren | +0.1 |
| Jul | 435.9 uren | 435.8 uren | +0.1 |
| Aug | 385.4 uren | 385.4 uren | +0.0 |
| Sep | 98.8 uren | 97.2 uren | +1.6 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |