Zonneschijn — 2023
| Month | Roermond | Roerdalen | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 105.4 uren | 0 uren | +105.4 |
| Apr | 249.3 uren | 246.4 uren | +2.9 |
| May | 359.4 uren | 358.1 uren | +1.3 |
| Jun | 387.7 uren | 388.4 uren | -0.7 |
| Jul | 356.4 uren | 351.9 uren | +4.5 |
| Aug |
| 322.8 uren |
| 320.2 uren |
| +2.6 |
| Sep | 289.7 uren | 286.4 uren | +3.3 |
| Oct | 194.1 uren | 193.9 uren | +0.2 |
| Nov | 130.8 uren | 127.6 uren | +3.2 |
| Dec | 63.8 uren | 64.3 uren | -0.5 |