Genesee County Climate
Genesee County, Michigan
Avg Annual Temp
47.3°F
Annual Precip
33.2"
Annual Snowfall
46.3"
Extreme Heat Days
10.28
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Genesee County Weather
Temperate weather in Southeast Michigan
Genesee County averages 47.3°F annually, which is about 7 degrees cooler than the national median. It experiences a classic four-season climate with hot summers and cold, snowy winters.
Slightly warmer than the state
The county’s average of 47.3°F is nearly two degrees warmer than the Michigan state average. Its annual precipitation of 33.2 inches is just under the statewide mean of 34.5.
Consistent with southern peers
Genesee is very similar to Eaton County, though it receives slightly more snowfall at 46.3 inches. It is significantly warmer than Emmet County, which sits over 4 degrees cooler on average.
Hot summers and brisk winters
July temperatures average 70.5°F, including 10 days of extreme heat above 90°F. Winters bring a January average of 22.9°F and a steady 46.3 inches of snow throughout the season.
Ready for heat and snow
With 10 days of extreme heat, reliable air conditioning is important for summer comfort. Residents should also prepare for the 25.3°F winter average with good insulation and winter-ready vehicles.
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.