With a population of around 18,700, Mission Hill sits in Massachusetts, United States. The city operates in the Eastern Time Zone.
In 2025, Mission Hill recorded an average annual temperature of 51°F. The hottest temperatures reached 102°F in June; the coolest were 2°F in January. Total precipitation for the year was 40 inches, with the wettest month being May. Snowfall for the year totaled approximately 10 inches.
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