About Yarmouth Port, MA's Climate & Weather History

Yarmouth Port is a city of approximately 5,300 people in Massachusetts, United States. Located in the Eastern Time Zone at 41.7°N latitude.

In 2025, Yarmouth Port recorded an average annual temperature of 52°F — right at the 30-year normal of 52°F. The hottest day reached 99°F in June; the coldest was 16°F in March. Total precipitation was 43 inches (near normal). The wettest month was October.