Temperatuur — 2023
| Month | Jalhay | Eupen | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 6.6 °C | 6.9 °C | -0.3 |
| Apr | 7.2 °C | 7.5 °C | -0.3 |
| May | 12.3 °C | 12.6 °C | -0.3 |
| Jun | 18.9 °C | 19.1 °C | -0.2 |
| Jul | 17.5 °C | 17.9 °C | -0.4 |
| Aug |
| 16.8 °C |
| 17.3 °C |
| -0.5 |
| Sep | 17.7 °C | 18.3 °C | -0.6 |
| Oct | 12.5 °C | 13 °C | -0.5 |
| Nov | 6 °C | 6.3 °C | -0.3 |
| Dec | 4.8 °C | 5.2 °C | -0.4 |