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Polk County Climate

JanFebMarAprMayJunJulAugSepOctNovDec73.9°AVG °F

Avg Annual Temp

73.9°F

Annual Precip

51.7"

Annual Snowfall

0.0"

Extreme Heat Days

121

days >= 90°F/yr

Monthly Temperature

JFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.8"
2.3"
3.0"
2.7"
3.1"
8.3"
8.0"
7.5"
6.9"
2.9"
1.8"
2.6"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

10a

Minimum winter temperature range for plant survival

Growing Degree Days

8,774

Excellent for heat-loving crops

Last spring frost (32°F): 01/24
First fall frost (32°F): 01/09

Seasonal Overview

Comfort ZoneSpring68°78°8.7"Summer82°83°23.8"Fall69°82°11.5"Winter62°65°7.6"20°40°60°80°100°

National Comparison

Warmer than 99% of US counties
Wetter than 81% of US counties
More seasonal variation than 2% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Polk County

Climate Verdict

Polk County has a hot, with an average annual temperature of 73.9°F, moderately wet with 51.7 inches of annual precipitation, extreme heat exposure with 120.94000000000001 days per year above 90°F, virtually no measurable snowfall. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are exceptionally mild, with January averaging 62.1°F. summers are hot, with July averaging 83.2°F. The climate is remarkably stable year-round, with only a 21°F difference between January and July. January is typically the coldest month and August the warmest.

Outdoor & Gardening Guidance

Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.

Regional Context

Polk County closely matches the Florida statewide average temperature of 71.0°F, it is somewhat drier than average for Florida, the county experiences 28.923279246006544 more extreme heat days than the state average.

Climate Profile

About Polk County Weather

Inland Heat Above National Norms

Polk County averages 73.9°F annually, placing it among the warmest regions in the United States. This climate is typical for the Florida peninsula, far exceeding the cooler national median.

A High Rank for Florida Heat

At 73.9°F, Polk is one of the warmer counties in the state, exceeding the Florida average of 71.1°F. Its inland location prevents coastal breezes from moderating daily temperature spikes.

Warmer Days Than Coastal Peers

Polk averages 121 days of extreme heat, significantly more than neighboring Pinellas's 87 days. While temperatures are similar, the lack of ocean proximity leads to more intense afternoon peaks.

Long Summers and Dry Winters

The county endures 121 days above 90°F, creating a long season of intense heat. Winters offer relief with a comfortable 63.8°F average and no recorded snowfall.

Budget for Year-Round Cooling

Reliable HVAC is a priority for the four-month stretch of 90-degree weather. Keep rain gear ready for the 51.7 inches of annual precipitation, which peaks during the humid summer months.

Frequently Asked Questions

What is the average temperature in Polk County?
The average annual temperature in Polk County, FL is 73.9°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Polk County get?
Polk County receives an average of 51.7 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?
Polk County receives little to no measurable snowfall in a typical year, 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 82.8°F. The county experiences an average of 121 days per year above 90°F.
How cold are winters in Polk County?
The average winter temperature (December-February) in Polk County is 63.8°F. January, typically the coldest month, averages 62.1°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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