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Beltrami County Climate

Beltrami County, Minnesota

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec38.7°AVG °F

Avg Annual Temp

38.7°F

Annual Precip

25.6"

Annual Snowfall

Extreme Heat Days

3

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet
0.8"
0.7"
1.0"
1.6"
3.0"
4.2"
3.8"
3.2"
2.9"
2.5"
1.2"
0.8"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

3b

Minimum winter temperature range for plant survival

Growing Degree Days

1,805

Favors cool-season crops

Last spring frost (32°F): 05/24
First fall frost (32°F): 09/20

Seasonal Overview

Comfort ZoneSpring24°52°5.6"Summer62°67°11.2"Fall27°56°6.5"Winter6°13°2.3"20°40°60°80°100°

National Comparison

Warmer than 1% of US counties
Wetter than 21% of US counties
More seasonal variation than 99% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Beltrami County

Climate Verdict

Beltrami County has a cold, with an average annual temperature of 38.7°F, moderate rainfall of 25.6 inches per year, rare extreme heat with only 2.825 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 5.6°F. summers are pleasantly cool with July averaging 67.0°F. Residents experience a substantial 61°F difference between winter and summer.

Outdoor & Gardening Guidance

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

Regional Context

Beltrami County is 4.1°F cooler than the Minnesota statewide average of 42.8°F, it is somewhat drier than average for Minnesota.

Climate Profile

About Beltrami County Weather

One of the Nation's Coldest Spots

Beltrami County’s 38.7°F annual average is more than 14 degrees below the national median. It represents one of the most extreme northern climates in the continental United States.

Far Below the State Average

At 38.7°F, Beltrami is over 4 degrees colder than the Minnesota state average of 42.8°F. It consistently ranks as one of the coldest counties in the entire state.

Colder and Drier Than Neighbors

Beltrami is nearly 2 degrees colder than Becker County and receives less precipitation at 25.6 inches. While annual snowfall data is limited, the extreme cold ensures snow stays on the ground for months.

Extreme Winters and Short Summers

Winter temperatures average a frigid 9.6°F, with January dipping to 5.6°F. Summer is brief and mild, peaking at 67.0°F in July with only 3 days of extreme heat.

Essential Gear for Extreme Cold

Extreme winterization is mandatory, including engine block heaters for vehicles and high-performance cold-weather gear. Summer cooling is rarely a concern given the very low count of 90°F days.

Frequently Asked Questions

What is the average temperature in Beltrami County?
The average annual temperature in Beltrami County, MN is 38.7°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Beltrami County get?
Beltrami County receives an average of 25.6 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
How hot does Beltrami County get in summer?
The average summer temperature (June-August) in Beltrami County is 64.8°F. The county experiences an average of 3 days per year above 90°F.
How cold are winters in Beltrami County?
The average winter temperature (December-February) in Beltrami County is 9.6°F. January, typically the coldest month, averages 5.6°F.

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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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