With a population of around 8,000, Grand Blanc sits in Michigan, United States. The city operates in the Eastern Time Zone.
In 2025, Grand Blanc recorded an average annual temperature of 48°F — right at the 30-year normal of 48°F. The hottest day reached 95°F in July; the coldest was -9°F in January. Total precipitation was 31 inches (near normal). Snowfall totaled 14 inches, below the 52-inch average. The wettest month was July.
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