Madison County Climate
Madison County, Missouri
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
54.5°F
Annual Precip
46.3"
Annual Snowfall
9.3"
Extreme Heat Days
35
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
3,766
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 54.5°F, moderately wet with 46.3 inches of annual precipitation, occasional hot days — 35.2 per year above 90°F, light snow averaging 9.3 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 31.2°F. summers are warm — July averages 76.2°F. The 45°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 Missouri statewide average temperature of 54.9°F, it is somewhat wetter than average for Missouri.
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 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.