Zonneschijn — 2023
| Maand | Zemst | Vilvoorde | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 131.3 uren | 129.9 uren | +1.4 |
| Apr | 230.7 uren | 222.1 uren | +8.6 |
| Mei | 344.4 uren | 338.6 uren | +5.8 |
| Jun | 398.9 uren | 397.9 uren | +1.0 |
| Jul | 343.3 uren | 341.3 uren | +2.0 |
| Aug |
| 324.7 uren |
| 320.6 uren |
| +4.1 |
| Sep | 284.9 uren | 283.8 uren | +1.1 |
| Okt | 205 uren | 204.3 uren | +0.7 |
| Nov | 116.4 uren | 114.7 uren | +1.7 |
| Dec | 72 uren | 68.3 uren | +3.7 |