Miller County Climate
Miller County, Missouri
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
56.5°F
Annual Precip
43.4"
Annual Snowfall
5.9"
Extreme Heat Days
36
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
4,253
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Miller County
Climate Verdict
Miller County has a mild, with an average annual temperature of 56.5°F, moderately wet with 43.4 inches of annual precipitation, occasional hot days — 36.233333333333334 per year above 90°F, light snow averaging 5.9 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 32.2°F. summers are warm — July averages 78.6°F. The 46°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
Miller County closely matches the Missouri statewide average temperature of 54.9°F.
Climate Profile
About Miller County Weather
Warm Central Missouri Hub
Miller County averages 56.5°F annually, which is warmer than the national median for U.S. counties. The county sees 43.4 inches of rain, aligning closely with the Missouri state average. This climate provides a balance of warmth and sufficient moisture for the local landscape.
Exceeding the Missouri Average
The county's average temperature of 56.5°F sits 1.6 degrees above the Missouri state average of 54.9°F. Miller ranks as a warmer central county, influenced by its location near the northern Ozarks. It typically avoids the extreme cold found in the state's northern tier.
A Mirror to Maries County
Miller County shares an identical annual average temperature of 56.5°F with neighboring Maries County. However, Miller sees slightly more extreme heat with 36 days over 90°F compared to Maries' 33. It also records 5.9 inches of annual snowfall, providing a clearer winter picture.
High Heat and Quick Snows
Summer is a dominant season with 36 days of extreme heat and a July average of 78.6°F. Winters are relatively mild, featuring a January average of 32.2°F and only 5.9 inches of snow. Most snow melts quickly, as the average winter temperature stays above freezing at 35.2°F.
Manage Peak Summer Heat
With 36 days reaching 90°F or higher, residents should invest in efficient cooling and shaded outdoor spaces. The 5.9 inches of annual snowfall require only light maintenance gear. Property owners should prepare for the 43.4 inches of rain with proper drainage solutions.
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.