Temperatuur — 2020
| Month | Bertogne | La Roche-en-Ardenne | Difference |
|---|---|---|---|
| Jan | 3.3 °C | 4.1 °C | -0.8 |
| Feb | 4.3 °C | 5.1 °C | -0.8 |
| Mar | 4.9 °C | 5.6 °C | -0.7 |
| Apr | 10.9 °C | 11.4 °C | -0.5 |
| May | 11.8 °C | 12.4 °C | -0.6 |
| Jun | 15.2 °C | 15.9 °C | -0.7 |
| Jul | 16.4 °C | 16.6 °C | -0.2 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |