Temperatuur — 2023
| Month | Marche-en-Famenne | Somme-Leuze | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 6.5 °C | 7.5 °C | -1.0 |
| Apr | 7.5 °C | 7.4 °C | +0.1 |
| May | 12.5 °C | 12.4 °C | +0.1 |
| Jun | 19.2 °C | 18.9 °C | +0.3 |
| Jul | 17.8 °C | 17.5 °C | +0.3 |
| Aug |
| 17.1 °C |
| 17 °C |
| +0.1 |
| Sep | 17.7 °C | 17.5 °C | +0.2 |
| Oct | 12.6 °C | 12.4 °C | +0.2 |
| Nov | 6.5 °C | 6.3 °C | +0.2 |
| Dec | 5.3 °C | 5.1 °C | +0.2 |