Madison County Climate
Madison County, Indiana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
51.8°F
Annual Precip
43.0"
Annual Snowfall
20.2"
Extreme Heat Days
15
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
3,331
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Madison County
Climate Verdict
Madison County has a mild, with an average annual temperature of 51.8°F, moderately wet with 43.0 inches of annual precipitation, rare extreme heat with only 15.399999999999999 days above 90°F annually, moderate snowfall of 20.2 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 26.8°F. summers are warm — July averages 73.8°F. The 47°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Madison County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Madison County closely matches the Indiana statewide average temperature of 52.4°F.
Climate Profile
About Madison County Weather
Typical Midwestern Temperature Profile
Madison County averages 51.8°F annually, sitting right near the national median. It receives 43.0 inches of precipitation, aligning with typical East Coast and Midwest levels.
Mirroring the Indiana State Average
The county’s 51.8°F average is almost identical to the Indiana state average of 52.2°F. It represents a middle-ground climate for the state.
Consistent with Central Indiana Neighbors
Madison County tracks closely with Marion County, though it is slightly cooler and receives about three fewer inches of snow. Its 43.0 inches of rain is just below the state average.
Cold Januarys and Steamy Julys
Winters feature 20.2 inches of snow and a January average of 26.8°F. Summer peaks in July with an average of 73.8°F and 15 days of extreme heat.
Balanced Seasonal Home Prep
Residents need a mix of winter gear for 20 inches of snow and efficient AC for 15 days of 90°F heat. All-season tires are recommended for the 29.6°F winter average.
Frequently Asked Questions
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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.