With a population of around 10,200, Alpena sits in Michigan, United States. The city operates in the Eastern Time Zone.
In 2025, Alpena recorded an average annual temperature of 45°F — about 0.9°F above the 30-year normal of 44°F. The hottest day reached 91°F in June; the coldest was -3°F in January. Total precipitation was 30 inches (near normal). Snowfall totaled 19 inches, below the 59-inch average. The wettest month was June.
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