Temperatuur — 2023
| Month | Attert | Arlon | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 6.4 °C | 6.6 °C | -0.2 |
| Apr | 7.1 °C | 7.4 °C | -0.3 |
| May | 12.9 °C | 13.2 °C | -0.3 |
| Jun | 19.3 °C | 19.5 °C | -0.2 |
| Jul | 17.5 °C | 17.9 °C | -0.4 |
| Aug |
| 17 °C |
| 17.3 °C |
| -0.3 |
| Sep | 16.9 °C | 17.2 °C | -0.3 |
| Oct | 11.6 °C | 11.9 °C | -0.3 |
| Nov | 5.6 °C | 6 °C | -0.4 |
| Dec | 4.2 °C | 4.5 °C | -0.3 |