Washington, D.C. Climate, Weather By Month, Average
Aug 26, 2017 · The average hourly wind speed in Washington, D.C. experiences significant seasonal variation over the course of the year. The windier part of the year lasts for 6.6 months , from October 21 to May 9 , with average wind speeds of more than 7.9 miles per hour .
DA: 42 PA: 99 MOZ Rank: 83