Average monthly wind speed in Washington DC

Here you can view the typical wind conditions throughout the year in Washington DC, (), the United States of America.

Annually, wind speeds in Washington DC vary between 4 m/s (8 knots) at their lowest and 5 m/s (10 knots) at their peak.

During May, June, July, August, September, October, November and December, wind speed averages 4 m/s (8 knots), creating notably breezy conditions. Daily fluctuations span from gentle winds to more substantial gusts. At the average speed of 4 m/s (8 knots), small tree branches show continuous swaying motion. This wind strength equals 14.4 kilometers per hour or 8.9 miles per hour. Most plans remain feasible, though some days bring conditions strong enough to affect certain sports.

Wind speeds average 5 m/s (10 knots) during January, February, March and April, making these the windiest months of the year. Most days bring strong winds that can sway small trees and make walking more challenging. Umbrellas are difficult to manage. The average speed of 5 m/s equals 18 km/h or 11.2 mph. While calmer intervals or stronger gusts may occur, breezy conditions are typical throughout this period. It's generally a great time for flying a kite or going windsurfing.

For more detailed information about Washington DC’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Washington DC climate page.