Average wind speed in Washington (DC)
The mean monthly wind speed over the year in Washington (District of Columbia), the United States of America (meters per second).
The mean wind speed over the year fluctuates between 4 m/s in May, June, July, August, September, October, November and December and 5 m/s in January, February, March and April.
Forecast for Washington (DC)
almost clear and chance of rain
clear and no rain
almost clear and no rain