Temperatuur — 2026
| Month | Stoumont | Lierneux | Difference |
|---|---|---|---|
| Jan | 1.9 °C | 0.4 °C | +1.5 |
| Feb | 5.7 °C | 4.3 °C | +1.4 |
| Mar | 6.9 °C | 5.1 °C | +1.8 |
| Apr | 9.6 °C | 8.9 °C | +0.7 |
| May | 14 °C | 13.5 °C | +0.5 |
| Jun | 18.7 °C | 18.4 °C | +0.3 |
| Jul | 19.6 °C | 19.3 °C | +0.3 |
| Aug |
| 19.5 °C |
| 19 °C |
| +0.5 |
| Sep | 16.1 °C | 15.8 °C | +0.3 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |