Temperatuur — 2020
| Month | Bouillon | Vresse-sur-Semois | Difference |
|---|---|---|---|
| Jan | 4.2 °C | 4.2 °C | +0.0 |
| Feb | 5.6 °C | 5.6 °C | +0.0 |
| Mar | 6.1 °C | 6.1 °C | +0.0 |
| Apr | 12.2 °C | 12.2 °C | +0.0 |
| May | 13.3 °C | 13.3 °C | +0.0 |
| Jun | 16.3 °C | 16.3 °C | +0.0 |
| Jul | 17.6 °C | 17.6 °C | +0.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |