Temperatuur — 2026
| Month | Héron | Andenne | Difference |
|---|---|---|---|
| Jan | 3 °C | 3.6 °C | -0.6 |
| Feb | 6.8 °C | 7.3 °C | -0.5 |
| Mar | 7.3 °C | 9.1 °C | -1.8 |
| Apr | 9.8 °C | 8.9 °C | +0.9 |
| May | 14.6 °C | 14.6 °C | +0.0 |
| Jun | 19.2 °C | 19.2 °C | +0.0 |
| Jul | 19.8 °C | 20.2 °C | -0.4 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |