Wind — 2026
| Month | Bertogne | La Roche-en-Ardenne | Difference |
|---|---|---|---|
| Jan | 15.1 km/h | 14.7 km/h | +0.4 |
| Feb | 16.9 km/h | 16.6 km/h | +0.3 |
| Mar | 8 km/h | 8.2 km/h | -0.2 |
| Apr | 9.1 km/h | 8.9 km/h | +0.2 |
| May | 11.1 km/h | 11.2 km/h | -0.1 |
| Jun | 12.3 km/h | 12.2 km/h | +0.1 |
| Jul | 12.2 km/h | 11.5 km/h | +0.7 |
| Aug | 12.8 km/h | 12.4 km/h | +0.4 |
| Sep | 9.7 km/h | 9.9 km/h | -0.2 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |