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Benton County Climate

Benton County, Minnesota

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec41.6°AVG °F

Avg Annual Temp

41.6°F

Annual Precip

30.1"

Annual Snowfall

Extreme Heat Days

7

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
0.7"
0.8"
1.5"
2.6"
3.5"
4.6"
4.1"
3.9"
3.1"
2.7"
1.5"
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

2,144

Favors cool-season crops

Last spring frost (32°F): 05/10
First fall frost (32°F): 09/29

Seasonal Overview

Comfort ZoneSpring28°55°7.6"Summer65°69°12.6"Fall30°59°7.3"Winter10°17°2.5"20°40°60°80°100°

National Comparison

Warmer than 4% of US counties
Wetter than 26% of US counties
More seasonal variation than 98% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Benton County

Climate Verdict

Benton County has a cool, averaging 41.6°F annually, moderate rainfall of 30.1 inches per year, rare extreme heat with only 6.5 days above 90°F annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are severe, with January averaging a frigid 9.6°F. summers are pleasantly cool with July averaging 69.2°F. Residents experience a substantial 60°F difference between winter and summer.

Outdoor & Gardening Guidance

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

Regional Context

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

Climate Profile

About Benton County Weather

Classic Mid-State Northern Climate

Benton County averages 41.6°F annually, falling well below the national median temperature. It experiences the high-pressure systems and clear, cold air typical of the Upper Midwest.

Close to the Minnesota Median

The county is just 1.2 degrees cooler than the state average of 42.8°F. This makes it a representative example of central Minnesota weather patterns.

Comparing Benton to Nearby Counties

Benton is warmer than Aitkin (40.7°F) but follows a similar precipitation pattern of about 30 inches annually. It sees more extreme heat than its northern neighbors, with 7 days over 90°F.

Freezing Winters and Humid Summers

Winter averages 13.6°F while July reaches 69.2°F. Although snowfall records are incomplete, the 30.1 inches of annual precipitation suggests a moderately snowy and rainy cycle.

Preparing for Seasonal Extremes

Homeowners should prepare for a balanced mix of heavy winter heating and occasional summer cooling. The 7 extreme heat days require functional air conditioning or cooling centers.

Frequently Asked Questions

What is the average temperature in Benton County?
The average annual temperature in Benton County, MN is 41.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Benton County get?
Benton County receives an average of 30.1 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Benton County get in summer?
The average summer temperature (June-August) in Benton County is 67.0°F. The county experiences an average of 7 days per year above 90°F.
How cold are winters in Benton County?
The average winter temperature (December-February) in Benton County is 13.6°F. January, typically the coldest month, averages 9.6°F.

Track your own weather in Benton 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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