Clinton County Climate
Clinton County, Michigan
Avg Annual Temp
48.9°F
Annual Precip
33.7"
Annual Snowfall
50.2"
Extreme Heat Days
9.85
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Clinton County Weather
A temperate pocket in America's heartland
Clinton County maintains an average annual temperature of 48.9°F, placing it several degrees below the national median of approximately 54°F. This continental climate brings a full range of seasonal extremes typical of the Great Lakes region.
Outpacing the Michigan state average
The county's 48.9°F average is significantly warmer than the Michigan state average of 45.7°F. It stands as one of the milder southern-tier counties in the state's Lower Peninsula.
Warmer and drier than northern peers
Clinton is notably warmer than Crawford County to the north, which averages only 43.3°F. While it sees 50.2 inches of snow, it remains significantly drier than the snow belts found further north.
Hot July days and snowy winters
July brings an average of 72.3°F and roughly 10 days of extreme heat reaching 90°F or higher. Winters are rigorous, featuring a January average of 24.0°F and 50.2 inches of total snowfall.
Prepare for humidity and ice
Residents need robust HVAC systems to handle both the 10 annual extreme heat days and the 26.6°F winter average. Proper insulation and winter tires are essential for navigating the 50-inch snow season.
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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.