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Perry County Climate

JanFebMarAprMayJunJulAugSepOctNovDec56.5°AVG °F

Avg Annual Temp

56.5°F

Annual Precip

50.2"

Annual Snowfall

10.7"

Extreme Heat Days

27

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
3.5"
3.5"
4.8"
5.2"
5.7"
5.0"
4.1"
2.9"
3.5"
3.8"
3.8"
4.4"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7a

Minimum winter temperature range for plant survival

Growing Degree Days

4,138

Excellent for heat-loving crops

Last spring frost (32°F): 04/05
First fall frost (32°F): 11/07

Seasonal Overview

Comfort ZoneSpring45°65°15.6"Summer74°77°12.0"Fall47°70°11.1"Winter34°38°11.5"20°40°60°80°100°

National Comparison

Warmer than 58% of US counties
Wetter than 76% of US counties
More seasonal variation than 52% of US counties

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 56.5°F, moderately wet with 50.2 inches of annual precipitation, occasional hot days — 26.65 per year above 90°F, light snow averaging 10.7 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 33.8°F. summers are warm — July averages 77.1°F. The 43°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 is 4.1°F warmer than the Indiana statewide average of 52.4°F, it is also noticeably wetter, receiving 5.9 inches more precipitation than the state average.

Climate Profile

About Perry County Weather

Warmer than the national median

Perry County’s 56.5°F average annual temperature sits significantly higher than the national median. This humid subtropical climate experiences a high volume of annual precipitation, totaling 50.2 inches.

A southern Indiana heat leader

The county ranks as one of the warmest in the state, far exceeding the Indiana average of 52.2°F. Its location on the Ohio River helps maintain a milder climate than central and northern counties.

Outpacing its neighbors in warmth

Perry is roughly two degrees warmer on average than nearby Pike County. It also receives over six inches more annual rainfall than the state average of 43.9 inches.

Hot summers and manageable winters

Summers bring 27 days of extreme heat over 90°F, contributing to a July average of 77.1°F. Winters stay relatively mild with a 36.3°F average and only 10.7 inches of annual snow.

Prepare for humidity and rain

Residents should invest in high-efficiency cooling systems to combat the month-long extreme heat season. The 50.2 inches of annual rain requires robust gutter systems and proper site drainage.

Frequently Asked Questions

What is the average temperature in Perry County?
The average annual temperature in Perry County, IN is 56.5°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Perry County get?
Perry County receives an average of 50.2 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Perry County?
Yes, Perry County receives an average of 10.7 inches of snowfall per year according to NOAA climate normals.
How hot does Perry County get in summer?
The average summer temperature (June-August) in Perry County is 75.6°F. The county experiences an average of 27 days per year above 90°F.
How cold are winters in Perry County?
The average winter temperature (December-February) in Perry County is 36.3°F. January, typically the coldest month, averages 33.8°F.

Track your own weather in Perry County

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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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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