Average monthly wind speed in Greenbelt (MD)

On this page you will find more information about the mean monthly wind speed over the year in Greenbelt (Maryland), the United States of America.

Throughout the year, wind speeds in Greenbelt average from 4 m/s (8 knots) and increase to 5 m/s (10 knots).

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) in , marking the windiest months of the year. The air is often steady and noticeable throughout the month, though occasional stronger gusts or brief calms may occur. Windy conditions are typical during this period, making it a great time for activities like windsurfing and kitesurfing.

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