Average wind speed in Fairfax
The mean monthly wind speed over the year in Fairfax (Virginia), the United States of America (meters per second).
Annually, the wind speed is at its lowest, 4 m/s, in May, June, July, August, September, October, November and December and peaks at 5 m/s during January, February, March and April.
Forecast for Fairfax
overcast and heavy rain
overcast and heavy rain
clear and no rain