About Swampscott, MA's Climate & Weather History

With a population of around 13,800, Swampscott sits in Massachusetts, United States. The city operates in the Eastern Time Zone.

In 2025, Swampscott recorded an average annual temperature of 50°F. The hottest temperatures reached 102°F in June; the coolest were 4°F in January. Total precipitation for the year was 41 inches, with the wettest month being May. Snowfall for the year totaled approximately 10 inches.