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Polk County Climate

JanFebMarAprMayJunJulAugSepOctNovDec59.3°AVG °F

Avg Annual Temp

59.3°F

Annual Precip

60.9"

Annual Snowfall

2.6"

Extreme Heat Days

37

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
4.0"
4.1"
5.3"
6.2"
6.9"
4.7"
4.5"
3.9"
4.9"
5.4"
5.5"
5.5"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

8a

Minimum winter temperature range for plant survival

Growing Degree Days

4,563

Excellent for heat-loving crops

Last spring frost (32°F): 04/05
First fall frost (32°F): 11/12

Seasonal Overview

Comfort ZoneSpring51°67°18.4"Summer74°78°13.1"Fall50°71°15.7"Winter39°43°13.6"20°40°60°80°100°

National Comparison

Warmer than 69% of US counties
Wetter than 96% of US counties
More seasonal variation than 31% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Polk County

Climate Verdict

Polk County has a mild, with an average annual temperature of 59.3°F, very wet conditions receiving 60.9 inches of precipitation annually, occasional hot days — 36.55 per year above 90°F, light snow averaging 2.6 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are cold, with January averaging 39.2°F. summers are warm — July averages 78.3°F. The 39°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

Polk County closely matches the Arkansas statewide average temperature of 61.0°F, it is also noticeably wetter, receiving 8.5 inches more precipitation than the state average, the county experiences 27.565000000000012 fewer extreme heat days than the state average.

Climate Profile

About Polk County Weather

The Rainiest Corner of the Region

Polk County’s annual average temperature of 59.3°F is warmer than the national median of 54°F. However, its most defining feature is its high annual precipitation of 60.9 inches.

Cooler and Wetter than the State

Polk County is cooler than the 61.0°F Arkansas average and much wetter than the 52.4-inch state rain average. This combination creates a unique, lush environment in the Ouachita Mountains.

A Local High-Precipitation Peak

Polk receives 60.9 inches of rain, far outpacing neighbor Pope County’s 49.6 inches. It also enjoys more temperate summers, with only 37 extreme heat days compared to 73 in Pope.

Mild Extremes with Moderate Snow

July averages 78.3°F, while winters bring 2.6 inches of snow and a January average of 39.2°F. The 76.7°F summer average is one of the mildest in the state outside the Ozarks.

Invest in Rain Gear and Drainage

With over 60 inches of rain, high-quality waterproofing and drainage are essential for all residents. Heating and cooling needs are balanced, as the county avoids the most extreme heat and cold.

Frequently Asked Questions

What is the average temperature in Polk County?
The average annual temperature in Polk County, AR is 59.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Polk County get?
Polk County receives an average of 60.9 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 Polk County?
Yes, Polk County receives an average of 2.6 inches of snowfall per year according to NOAA climate normals.
How hot does Polk County get in summer?
The average summer temperature (June-August) in Polk County is 76.7°F. The county experiences an average of 37 days per year above 90°F.
How cold are winters in Polk County?
The average winter temperature (December-February) in Polk County is 41.3°F. January, typically the coldest month, averages 39.2°F.

Track your own weather in Polk 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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