Average wind speed in Lanham (MD)
The mean monthly wind speed over the year in Lanham (Maryland), 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 Lanham (MD)
overcast and heavy rain
overcast and rain
almost clear and no rain