Jackson County Climate
Jackson County, Michigan
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
48.9°F
Annual Precip
32.2"
Annual Snowfall
—
Extreme Heat Days
8
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
2,767
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Jackson County
Climate Verdict
Jackson County has a cool, averaging 48.9°F annually, moderate rainfall of 32.2 inches per year, rare extreme heat with only 7.8 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 24.4°F. summers are warm — July averages 71.6°F. The 47°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Jackson County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Jackson County is 3.2°F warmer than the Michigan statewide average of 45.7°F, it is somewhat drier than average for Michigan.
Climate Profile
About Jackson County Weather
Milder winters near the southern border
Jackson County averages 48.9°F annually, trailing the national median but remaining quite warm for Michigan. It offers a more temperate climate than the state's northern reaches.
Jackson is one of Michigan's warmest
The county’s average temperature of 48.9°F is over three degrees warmer than the state average of 45.7°F. This makes it a preferred spot for those seeking Michigan life with less bite.
Drier than the southern Michigan average
Jackson receives 32.2 inches of precipitation, which is below the state average of 34.5 inches. Its July average of 71.6°F is typical for the southern tier of the state.
Consistent summers and manageable winter cold
Summer brings 8 days of extreme heat above 90°F, while winter temperatures average a manageable 27.0°F. While specific snowfall data is unavailable, the southern location generally sees less than the snow belt.
Balance heating and cooling for comfort
A balanced HVAC system is key as the county fluctuates between 71.6°F summers and 24.4°F Januaries. Because rainfall is below average, lawn irrigation might be necessary during the peak of summer.
Frequently Asked Questions
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Track your own weather in Jackson 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.