Wind — 2026
| Month | Cerfontaine | Couvin | Difference |
|---|---|---|---|
| Jan | 15 km/h | 14.5 km/h | +0.5 |
| Feb | 16.6 km/h | 15.8 km/h | +0.8 |
| Mar | 9.6 km/h | 9.3 km/h | +0.3 |
| Apr | 10.4 km/h | 11.4 km/h | -1.0 |
| May | 11.6 km/h | 11.3 km/h | +0.3 |
| Jun | 12.8 km/h | 12.3 km/h | +0.5 |
| Jul | 12.1 km/h | 12 km/h | +0.1 |
| Aug | 12.2 km/h | 12 km/h | +0.2 |
| Sep | 10.4 km/h | 10.3 km/h | +0.1 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |