With a population of around 8,400, Mason sits in Michigan, United States. The city operates in the Eastern Time Zone.
In 2025, Mason recorded an average annual temperature of 49°F — right at the 30-year normal of 49°F. The hottest day reached 92°F in July; the coldest was -8°F in January. Total precipitation was 31 inches (near normal). The wettest month was May.
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