Shannon County Climate
Shannon County, Missouri
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.0°F
Annual Precip
48.2"
Annual Snowfall
5.8"
Extreme Heat Days
47
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
4,056
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Shannon County
Climate Verdict
Shannon County has a mild, with an average annual temperature of 56.0°F, moderately wet with 48.2 inches of annual precipitation, occasional hot days — 46.53333333333333 per year above 90°F, light snow averaging 5.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 33.0°F. summers are warm — July averages 77.7°F. The 45°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Shannon County closely matches the Missouri statewide average temperature of 54.9°F, it is somewhat wetter than average for Missouri.
Climate Profile
About Shannon County Weather
A mild and rainy heartland climate
Shannon County averages 56.0°F annually, placing it slightly above the national median temperature. It features a lush, high-precipitation environment typical of the eastern Ozark region.
Warmer and wetter than the state mean
Shannon County surpasses the state average in both temperature (56.0°F vs 54.9°F) and rainfall (48.2" vs 43.8"). This makes it part of the warm, wet corridor that defines southern Missouri.
Consistently wet across the Ozarks
Its 48.2 inches of rain aligns closely with Scott County's 48.8 inches. While it is slightly cooler than the counties further south, it remains much warmer than central Missouri counties like Saline.
Significant heat with mild winter snowfall
The county experiences 47 days of temperatures at or above 90°F. Winter is relatively soft, with only 5.8 inches of annual snowfall and a January average that stays above freezing at 33.0°F.
Stay cool and watch for heavy rain
Air conditioning is a must for the 47 days of extreme summer heat. Given the nearly 50 inches of annual rain, residents should be prepared for high humidity and rapid runoff in the Ozark terrain.
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.