Zonneschijn — 2026
| Month | Hattem | Heerde | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 15.4 uren | 17 uren | -1.6 |
| Apr | 29.1 uren | 27.2 uren | +1.9 |
| May | 421.2 uren | 421.2 uren | +0.0 |
| Jun | 424.6 uren | 424.5 uren | +0.1 |
| Jul | 434.1 uren | 434.2 uren | -0.1 |
| Aug |
| 388.3 uren |
| 388.3 uren |
| +0.0 |
| Sep | 307.1 uren | 307 uren | +0.1 |
| Oct | 229.2 uren | 225.6 uren | +3.6 |
| Nov | – | – | – |
| Dec | – | – | – |