weatherbycounty

Audubon County Climate

JanFebMarAprMayJunJulAugSepOctNovDec47.0°AVG °F

Avg Annual Temp

47.0°F

Annual Precip

35.0"

Annual Snowfall

Extreme Heat Days

11

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
0.9"
1.1"
1.7"
3.6"
5.2"
5.1"
3.8"
4.5"
3.5"
2.8"
1.5"
1.2"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

5a

Minimum winter temperature range for plant survival

Growing Degree Days

2,779

Supports most vegetables & fruits

Last spring frost (32°F): 05/02
First fall frost (32°F): 10/03

Seasonal Overview

Comfort ZoneSpring35°59°10.5"Summer69°72°13.4"Fall36°62°7.9"Winter18°24°3.2"20°40°60°80°100°

National Comparison

Warmer than 19% of US counties
Wetter than 34% of US counties
More seasonal variation than 90% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Audubon County

Climate Verdict

Audubon County has a cool, averaging 47.0°F annually, moderate rainfall of 35.0 inches per year, rare extreme heat with only 11.4 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are very cold — January averages 18.4°F. summers are warm — July averages 72.1°F. Residents experience a substantial 54°F difference between winter and summer.

Outdoor & Gardening Guidance

Growing season and gardening data is currently limited for Audubon County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.

Regional Context

Audubon County closely matches the Iowa statewide average temperature of 48.0°F.

Climate Profile

About Audubon County Weather

Standard Midwestern Continental Climate

Audubon County averages 47.0°F, placing it roughly 6 degrees below the national median. The climate is defined by typical Midwestern seasonal extremes.

Below the Iowa Temperature Average

Its average temperature sits exactly one degree below the Iowa state average of 48.0°F. This places Audubon in the cooler half of the state's counties.

Cooler than Southern Adjacent Counties

The 47.0°F average is cooler than neighbors like Adair at 49.1°F. Precipitation is slightly below the state average at 35.0 inches.

Eleven Days of Peak Summer Heat

The county experiences 11 extreme heat days each year, mainly during the 72.1°F July peak. While snowfall data is limited for this area, winter temperatures average a chilly 21.6°F.

Insulation for Chilly Winter Nights

Focus on home insulation to combat the winter average of 21.6°F. Prepare for a dozen days of high heat during the peak summer months.

Frequently Asked Questions

What is the average temperature in Audubon County?
The average annual temperature in Audubon County, IA is 47.0°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Audubon County get?
Audubon County receives an average of 35.0 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Audubon County get in summer?
The average summer temperature (June-August) in Audubon County is 70.3°F. The county experiences an average of 11 days per year above 90°F.
How cold are winters in Audubon County?
The average winter temperature (December-February) in Audubon County is 21.6°F. January, typically the coldest month, averages 18.4°F.

Track your own weather in Audubon 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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