Genesee County Climate
Genesee County, Michigan
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
47.3°F
Annual Precip
33.2"
Annual Snowfall
46.3"
Extreme Heat Days
10
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
2,523
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Genesee County
Climate Verdict
Genesee County has a cool, averaging 47.3°F annually, moderate rainfall of 33.2 inches per year, rare extreme heat with only 10.28 days above 90°F annually, moderate snowfall of 46.3 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 22.9°F. summers are warm — July averages 70.5°F. The 48°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Genesee County closely matches the Michigan statewide average temperature of 45.7°F.
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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Track your own weather in Genesee County
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.