Madison County Climate
Madison County, Indiana
Avg Annual Temp
51.8°F
Annual Precip
43.0"
Annual Snowfall
20.2"
Extreme Heat Days
15.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.