Hillsdale is a city of approximately 8,200 people in Michigan, United States. Located in the Eastern Time Zone at 41.9°N latitude.
In 2025, Hillsdale recorded an average annual temperature of 49°F — right at the 30-year normal of 49°F. The hottest day reached 90°F in June; the coldest was -9°F in January. Total precipitation was 31 inches (near normal). The wettest month was May.
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