Temperatuur — 2023
| Mois | Messancy | Arlon | Différence |
|---|---|---|---|
| Jan | – | – | – |
| Fév | – | – | – |
| Mar | 6.5 °C | 6.6 °C | -0.1 |
| Avr | 7.6 °C | 7.4 °C | +0.2 |
| Mai | 13.2 °C | 13.2 °C | +0.0 |
| Juin | 19.6 °C | 19.5 °C | +0.1 |
| Juil | 18.2 °C | 17.9 °C | +0.3 |
| Aoû |
| 17.4 °C |
| 17.3 °C |
| +0.1 |
| Sep | 17.4 °C | 17.2 °C | +0.2 |
| Oct | 12 °C | 11.9 °C | +0.1 |
| Nov | 6.1 °C | 6 °C | +0.1 |
| Déc | 4.7 °C | 4.5 °C | +0.2 |