Tuscola County Climate
Tuscola County, Michigan
Avg Annual Temp
46.3°F
Annual Precip
33.8"
Annual Snowfall
42.0"
Extreme Heat Days
8.966666666666667
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Tuscola County Weather
Crisp Temperatures in the Thumb
Tuscola County averages 46.3°F annually, making it significantly cooler than the national median. The area experiences a true four-season climate with a relatively moderate 33.8 inches of annual precipitation.
Slightly Warmer Than the State Median
Despite its northern feel, Tuscola's 46.3°F average is slightly higher than the Michigan state average of 45.7°F. It occupies a middle-ground position compared to the freezing Upper Peninsula and the warmer southern border.
Cooler Than Coastal St. Clair
Tuscola is noticeably cooler than St. Clair County, which averages 47.9°F. It also sees fewer extreme heat days than its southern neighbors, averaging only 9 days per year above 90°F.
Moderate Summers and Brisk Winters
July averages a mild 69.6°F, providing relief from the intense heat seen further south. Winters are more demanding, featuring 42.0 inches of snow and a January average of just 21.3°F.
Equipping for Cold Winter Spells
With a winter average of 24.0°F, high-efficiency insulation is a primary concern for local homeowners. The 42 inches of snow requires reliable equipment for clearing driveways throughout the long winter months.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.