Perry County Climate
Perry County, Missouri
Avg 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
Seasonal Overview
National Comparison
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 source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.