Perry County Climate
Perry County, Missouri
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
55.0°F
Annual Precip
46.2"
Annual Snowfall
4.7"
Extreme Heat Days
39
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7a
Minimum winter temperature range for plant survival
3,938
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Perry County
Climate Verdict
Perry County has a mild, with an average annual temperature of 55.0°F, moderately wet with 46.2 inches of annual precipitation, occasional hot days — 39 per year above 90°F, light snow averaging 4.7 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 77.2°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
Perry County closely matches the Missouri statewide average temperature of 54.9°F, it is somewhat wetter than average for Missouri.
Climate Profile
About Perry County Weather
Temperate Weather on the Mississippi
Perry County averages 55.0°F annually, sitting just above the national median temperature. It features a humid climate with 46.2 inches of annual precipitation.
Matching the State Climate Profile
Perry County's average of 55.0°F is nearly identical to the Missouri state average of 54.9°F. It represents the typical transition zone between northern and southern Missouri.
Drier and Warmer than Central Missouri
Perry County is slightly warmer than Osage County and experiences significantly less snow. While Osage gets over 10 inches, Perry County averages only 4.7 inches of snowfall.
Hot Summers and Brief Winters
The county experiences 39 days of extreme heat above 90°F during the summer. Winter is relatively mild with a 33.9°F average and very little accumulation of snow.
Managing Heat and River Humidity
With 39 days of extreme heat, efficient cooling is a top priority for local residents. The low 4.7-inch snow average means heavy winter equipment is rarely necessary.
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.