Temperatuur — 2025
| Month | Andenne | Héron | Difference |
|---|---|---|---|
| Jan | 2.9 °C | 2.3 °C | +0.6 |
| Feb | 4.3 °C | 3.7 °C | +0.6 |
| Mar | 7.8 °C | 7.1 °C | +0.7 |
| Apr | 11.9 °C | 11.2 °C | +0.7 |
| May | 14.6 °C | 14.2 °C | +0.4 |
| Jun | 19.1 °C | 18.7 °C | +0.4 |
| Jul | 18.9 °C | 18.5 °C | +0.4 |
| Aug |
| 19.2 °C |
| 18.8 °C |
| +0.4 |
| Sep | 15.6 °C | 15.1 °C | +0.5 |
| Oct | 11.9 °C | 11.4 °C | +0.5 |
| Nov | 8.2 °C | 7.6 °C | +0.6 |
| Dec | 6.1 °C | 5.5 °C | +0.6 |