Wind — 2026
| Month | Châtelet | Aiseau-Presles | Difference |
|---|---|---|---|
| Jan | 15.3 km/h | 14.6 km/h | +0.7 |
| Feb | 16.6 km/h | 16 km/h | +0.6 |
| Mar | 11.3 km/h | 10.9 km/h | +0.4 |
| Apr | 10.2 km/h | 9.4 km/h | +0.8 |
| May | 11.7 km/h | 11.7 km/h | +0.0 |
| Jun | 13 km/h | 13 km/h | +0.0 |
| Jul | 12.3 km/h | 12.3 km/h | +0.0 |
| Aug | 12.5 km/h | 12.5 km/h | +0.0 |
| Sep | 12 km/h | 11.6 km/h | +0.4 |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |