Temperatuur — 2026
| Month | Lierneux | Stoumont | Difference |
|---|---|---|---|
| Jan | 0.4 °C | 1.9 °C | -1.5 |
| Feb | 4.3 °C | 5.7 °C | -1.4 |
| Mar | 5.1 °C | 6.9 °C | -1.8 |
| Apr | 8.9 °C | 9.6 °C | -0.7 |
| May | 13.5 °C | 14 °C | -0.5 |
| Jun | 18.4 °C | 18.7 °C | -0.3 |
| Jul | 19.3 °C | 19.6 °C | -0.3 |
| Aug |
| 19 °C |
| 19.5 °C |
| -0.5 |
| Sep | 15.8 °C | 16.2 °C | -0.4 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |