With a population of around 7,400, Cohasset sits in Massachusetts, United States. The city operates in the Eastern Time Zone.
In 2025, Cohasset recorded an average annual temperature of 51°F. The hottest temperatures reached 97°F in June; the coolest were 9°F in January. Total precipitation for the year was 46 inches, with the wettest month being May. Snowfall for the year totaled approximately 9 inches.
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