Wind — 2026
| Month | Houffalize | Bertogne | Difference |
|---|---|---|---|
| Jan | 14.7 km/h | 15.1 km/h | -0.4 |
| Feb | 16.8 km/h | 16.9 km/h | -0.1 |
| Mar | 7.9 km/h | 8 km/h | -0.1 |
| Apr | 8.8 km/h | 9.1 km/h | -0.3 |
| May | 11.1 km/h | 11.1 km/h | +0.0 |
| Jun | 12.2 km/h | 12.3 km/h | -0.1 |
| Jul | 10.8 km/h | 11.1 km/h | -0.3 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |