About Swansea, MA

With a population of around 16,500, Swansea sits in Massachusetts, United States. The city operates in the Eastern Time Zone.

Across a typical year Swansea sees about 46 inches of precipitation, with March the wettest month and February the driest. Temperatures range from January lows near 21°F up to July highs around 83°F, averaging 50°F annually — characteristic of a humid continental climate.