Madison County Climate
Madison County, Missouri
Avg Annual Temp
54.5°F
Annual Precip
46.3"
Annual Snowfall
9.3"
Extreme Heat Days
35.2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Madison County Weather
National Median Temperature in the Ozarks
Madison sits right at the national median with an average temperature of 54.5°F. It enjoys a humid subtropical climate influenced by its southern geography.
One of Missouri's Wettest Counties
The county is very close to the state average temperature but is notably wetter. Its 46.3 inches of annual rain exceeds the state average of 43.8 inches.
Drier Winters Than Northern Regions
Madison is the wettest county in this group but receives far less snow than northern neighbors, averaging just 9.3 inches. It experiences moderate extreme heat.
Humid Summers and Mild Winters
Residents face 35 days of extreme heat during the humid 76.2°F summers. Winters are milder than northern Missouri, with a 33.7°F average and little snow.
Manage Moisture and Summer Heat
Focus on moisture control and drainage given the high 46.3 inches of annual precipitation. The 35 extreme heat days also require a reliable air conditioning system.
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.