Zonneschijn — 2023
| Month | Huldenberg | Overijse | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 138.1 uren | 131.4 uren | +6.7 |
| Apr | 214.6 uren | 224.2 uren | -9.6 |
| May | 335.7 uren | 342.1 uren | -6.4 |
| Jun | 390.9 uren | 399 uren | -8.1 |
| Jul | 342.3 uren | 348.9 uren | -6.6 |
| Aug |
| 311.5 uren |
| 323 uren |
| -11.5 |
| Sep | 283.1 uren | 289.3 uren | -6.2 |
| Oct | 197.9 uren | 207.8 uren | -9.9 |
| Nov | 105.4 uren | 114.6 uren | -9.2 |
| Dec | 69.3 uren | 71.6 uren | -2.3 |