weatherbycounty

Polk County Climate

JanFebMarAprMayJunJulAugSepOctNovDec60.3°AVG °F

Avg Annual Temp

60.3°F

Annual Precip

53.8"

Annual Snowfall

Extreme Heat Days

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
4.9"
4.6"
5.3"
4.8"
4.3"
4.3"
4.7"
4.3"
3.9"
3.4"
4.3"
5.0"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

7b

Minimum winter temperature range for plant survival

Seasonal Overview

Comfort ZoneSpring51°68°14.4"Summer75°78°13.3"Fall51°72°11.6"Winter41°44°14.5"20°40°60°80°100°

National Comparison

Warmer than 72% of US counties
Wetter than 86% of US counties
More seasonal variation than 22% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Polk County

Climate Verdict

Climate data for Polk County is currently being compiled from NOAA sources. Check back soon for detailed weather normals.

Seasonal Breakdown

Seasonal weather data for this county is based on regional climate patterns. Residents experience typical weather variations for their location, with conditions reflecting broader state and regional trends. Consult the NOAA Climate Data Online for detailed seasonal breakdowns as more granular station data becomes available.

Outdoor & Gardening Guidance

Growing season and gardening guidance for Polk County will be added as data becomes available.

Regional Context

Comparative climate data for Polk County is being processed.

Frequently Asked Questions

What is the average temperature in Polk County?
The average annual temperature in Polk County, TN is 60.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Polk County get?
Polk County receives an average of 53.8 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Polk County get in summer?
The average summer temperature (June-August) in Polk County is 76.7°F.
How cold are winters in Polk County?
The average winter temperature (December-February) in Polk County is 42.9°F. January, typically the coldest month, averages 40.9°F.

Track your own weather in Polk County

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Data sources: ERA5 Reanalysis (modeled) via Open-Meteo (gap-filled where station data unavailable).. 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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