Boone County Climate
Boone County, Missouri
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.1°F
Annual Precip
42.2"
Annual Snowfall
16.9"
Extreme Heat Days
38
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
4,248
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Boone County
Climate Verdict
Boone County has a mild, with an average annual temperature of 56.1°F, moderately wet with 42.2 inches of annual precipitation, occasional hot days — 38 per year above 90°F, light snow averaging 16.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 30.9°F. summers are warm — July averages 78.7°F. The 48°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
Boone County closely matches the Missouri statewide average temperature of 54.9°F.
Climate Profile
About Boone County Weather
Warmer than the National Median
Boone County averages 56.1°F annually, making it warmer than the typical U.S. county. This central Missouri hub experiences a humid continental climate with distinct seasonal shifts.
Central Missouri Heat
The county's average temperature of 56.1°F sits 1.2 degrees above the Missouri state average of 54.9°F. It receives 42.2 inches of rain annually, which is slightly less than the state's 43.8-inch norm.
A Typical Central Missouri Climate
Boone is warmer on average than northern neighbors like Buchanan County. Its 42.2 inches of annual precipitation aligns closely with other counties in the central corridor.
Steamy Summers and Snowy Winters
Residents face 38 days of extreme heat above 90°F during summers that average 76.9°F. Winters bring a manageable 16.9 inches of snow and a 34.0°F average temperature.
Prepare for Five Weeks of Heat
High-efficiency cooling systems are essential to handle over a month of 90-degree days. Standard snow removal gear is sufficient for the modest 16.9-inch seasonal snowfall.
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.