About Hyannis, MA

Hyannis, in Massachusetts, United States, is home to roughly 14,100 people in the Eastern Time Zone at 41.7°N latitude.

Across a typical year Hyannis sees about 45 inches of precipitation, with December the wettest month and July the driest. Temperatures range from January lows near 24°F up to July highs around 81°F, averaging 52°F annually — characteristic of a humid continental climate.