Average monthly wind speed in Weymouth (MA)

The mean monthly wind speed over the year in Weymouth (Massachusetts), the United States of America.

The mean wind speed in Weymouth over the year fluctuates between 5 m/s (10 knots) and 7 m/s (14 knots).

June, July, August and September brings a 5 m/s (10 knots) wind speed average, establishing consistent and prominent air movement throughout the period. While daily variations include both stronger and calmer periods, active wind conditions dominate most days. Large tree branches exhibit regular swaying, and loose materials like dust and leaves frequently move about.

When engaging in physical activities, you'll notice persistent wind resistance that can increase effort levels for running or cycling. Despite this resistance, the conditions remain manageable and comfortable. This speed equals 18 kilometers per hour or 11 miles per hour, creating excellent conditions for wind sports like windsurfing.

In contrast, wind speeds average 7 m/s (14 knots) during January, February, March and December. This means most days have strong winds that make walking difficult and cause small trees to bend. Some objects get blown around. The measurement represents 25.2 km/h or 15.7 mph. There may still be stronger gusts or calmer moments, but powerful winds are typical.

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