Temperatuur — 2023
| Month | Lierneux | Trois-Ponts | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 4.8 °C | 6.5 °C | -1.7 |
| Apr | 6.1 °C | 7.6 °C | -1.5 |
| May | 11.5 °C | 12.9 °C | -1.4 |
| Jun | 18 °C | 19.4 °C | -1.4 |
| Jul | 16.3 °C | 17.7 °C | -1.4 |
| Aug |
| 15.9 °C |
| 17.3 °C |
| -1.4 |
| Sep | 16.2 °C | 17.7 °C | -1.5 |
| Oct | 11.1 °C | 12.6 °C | -1.5 |
| Nov | 4.9 °C | 6.4 °C | -1.5 |
| Dec | 3.5 °C | 5.1 °C | -1.6 |