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Aitkin County Climate

Aitkin County, Minnesota

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec40.7°AVG °F

Avg Annual Temp

40.7°F

Annual Precip

30.4"

Annual Snowfall

43.1"

Extreme Heat Days

3

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.8"
0.8"
1.5"
2.7"
3.5"
4.4"
4.5"
3.6"
3.0"
2.9"
1.6"
1.0"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

4a

Minimum winter temperature range for plant survival

Growing Degree Days

1,963

Favors cool-season crops

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

Seasonal Overview

Comfort ZoneSpring26°53°7.7"Summer63°68°12.5"Fall30°58°7.5"Winter9°16°2.7"20°40°60°80°100°

National Comparison

Warmer than 3% of US counties
Wetter than 27% of US counties
More seasonal variation than 97% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Aitkin County

Climate Verdict

Aitkin County has a cool, averaging 40.7°F annually, moderate rainfall of 30.4 inches per year, rare extreme heat with only 2.766666666666667 days above 90°F annually, moderate snowfall of 43.1 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are severe, with January averaging a frigid 9.0°F. summers are pleasantly cool with July averaging 68.0°F. Residents experience a substantial 59°F difference between winter and summer.

Outdoor & Gardening Guidance

Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.

Regional Context

Aitkin County closely matches the Minnesota statewide average temperature of 42.8°F.

Climate Profile

About Aitkin County Weather

A Northwoods Climate Below National Medians

Aitkin County averages 40.7°F annually, significantly cooler than the national median of roughly 53°F. It features a humid continental climate with distinct, sharp seasonal transitions.

Cooler Than the Minnesota Average

The county's 40.7°F average falls about 2 degrees below the state annual average of 42.8°F. This reflects its position in the northern half of the state where colder air masses linger longer.

Comparing Aitkin to Its Regional Neighbors

Aitkin is nearly identical in temperature to Becker County (40.5°F) but notably cooler than southern Anoka (44.2°F). It receives 30.4 inches of precipitation, matching the statewide average almost exactly.

Mild Summers and Snowy Winters

July stays comfortable with an average of 68.0°F and only 3 extreme heat days per year. Winter is more intense, averaging 12.9°F with 43.1 inches of annual snowfall.

Preparing for Aitkin's Deep Freeze

Residents should invest in high-efficiency heating systems and heavy winter gear for the sub-zero January lows of 9.0°F. Summer cooling needs are minimal, as temperatures rarely exceed 90°F.

Frequently Asked Questions

What is the average temperature in Aitkin County?
The average annual temperature in Aitkin County, MN is 40.7°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Aitkin County get?
Aitkin County receives an average of 30.4 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 Aitkin County?
Yes, Aitkin County receives an average of 43.1 inches of snowfall per year according to NOAA climate normals.
How hot does Aitkin County get in summer?
The average summer temperature (June-August) in Aitkin County is 65.8°F. The county experiences an average of 3 days per year above 90°F.
How cold are winters in Aitkin County?
The average winter temperature (December-February) in Aitkin County is 12.9°F. January, typically the coldest month, averages 9.0°F.

Track your own weather in Aitkin 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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