Average wind speed in Harrow
The mean monthly wind speed over the year in Harrow (Greater London), the United Kingdom (meters per second).
The average annual wind speed spans from 3 m/s in May, June, July, August, September, October and November to 4 m/s in January, February, March, April and December.
Forecast for Harrow
clear and no rain
overcast and no rain
broken clouds and no rain