Zonneschijn — 2025
| Maand | Herk-de-Stad | Lummen | Verschil |
|---|---|---|---|
| Jan | 99.9 uren | 99 uren | +0.9 |
| Feb | 145.4 uren | 145 uren | +0.4 |
| Mrt | 299.2 uren | 301.8 uren | -2.6 |
| Apr | 315 uren | 318 uren | -3.0 |
| Mei | 342.1 uren | 343.7 uren | -1.6 |
| Jun | 372.8 uren | 376.6 uren | -3.8 |
| Jul | 391.6 uren | 399.2 uren | -7.6 |
| Aug | 323.9 uren | 324.8 uren | -0.9 |
| Sep | 260.7 uren | 265.2 uren | -4.5 |
| Okt | 127.4 uren | 129.3 uren | -1.9 |
| Nov | 121.9 uren | 127.2 uren | -5.3 |
| Dec | 103.6 uren | 102.5 uren | +1.1 |