weatherbycounty

Emmet County Climate

JanFebMarAprMayJunJulAugSepOctNovDec44.7°AVG °F

Avg Annual Temp

44.7°F

Annual Precip

30.5"

Annual Snowfall

Extreme Heat Days

10

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
0.7"
0.6"
1.4"
3.3"
4.5"
4.7"
3.8"
3.5"
3.2"
2.5"
1.4"
0.8"
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

2,527

Supports most vegetables & fruits

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

Seasonal Overview

Comfort ZoneSpring32°58°9.3"Summer68°71°12.1"Fall33°61°7.1"Winter15°20°2.1"20°40°60°80°100°

National Comparison

Warmer than 12% of US counties
Wetter than 27% of US counties
More seasonal variation than 94% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Emmet County

Climate Verdict

Emmet County has a cool, averaging 44.7°F annually, moderate rainfall of 30.5 inches per year, rare extreme heat with only 10.05 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 14.7°F. summers are warm — July averages 70.9°F. Residents experience a substantial 56°F difference between winter and summer.

Outdoor & Gardening Guidance

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

Regional Context

Emmet County is 3.3°F cooler than the Iowa statewide average of 48.0°F, it is also noticeably drier, receiving 5.6 inches less precipitation than the state average.

Climate Profile

About Emmet County Weather

One of the Nation's Coldest Pockets

Emmet County’s 44.7°F average annual temperature is among the lowest in the continental U.S., reflecting its high latitude and interior position. With 30.5 inches of precipitation, it is drier than the national average. This creates a climate of extremes, dominated by long, dry, and bitter winters.

The Coldest Frontier of Iowa

Emmet County is significantly colder than the state average, with its 44.7°F annual temp trailing the 48.0°F state norm by over three degrees. It is also drier than most of Iowa, recording only 30.5 inches of precipitation against the 36.1-inch average. This makes it one of the most rugged weather environments in the state.

Leading the North in Frigid Temps

Emmet County is the coldest in this dataset, even dropping below neighbor Dickinson County's 45.9°F average. It is over 6 degrees cooler annually than southern counties like Des Moines. This regional positioning makes Emmet a benchmark for cold-weather living in Iowa.

A Short Summer and Frozen Winter

Winters are harsh, with a January average of just 14.7°F and a seasonal average of 18.0°F. Summers are short and mild, with only 10 days hitting 90°F and a July average of 70.9°F. While specific snowfall totals are unavailable, the extremely low winter temperatures ensure a persistent snowpack.

Focus on Winter Survival Gear

Heating efficiency is the primary concern for Emmet County residents, as January temperatures rarely rise far above freezing. While the 10 days of heat are manageable, the three-month winter average of 18.0°F requires extreme-cold gear and home weatherization. Residents should prepare for a landscape that stays frozen for a significant portion of the year.

Frequently Asked Questions

What is the average temperature in Emmet County?
The average annual temperature in Emmet County, IA is 44.7°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Emmet County get?
Emmet County receives an average of 30.5 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Emmet County get in summer?
The average summer temperature (June-August) in Emmet County is 69.0°F. The county experiences an average of 10 days per year above 90°F.
How cold are winters in Emmet County?
The average winter temperature (December-February) in Emmet County is 18.0°F. January, typically the coldest month, averages 14.7°F.

Track your own weather in Emmet County

Ambient Weather personal weather stations give you hyperlocal climate data.

Shop Weather Stations →

Sponsored

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
← Back to Iowa