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Marshall County Climate

Marshall County, Minnesota

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec39.3°AVG °F

Avg Annual Temp

39.3°F

Annual Precip

23.9"

Annual Snowfall

43.6"

Extreme Heat Days

5

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.7"
0.6"
0.9"
1.3"
3.0"
3.9"
3.6"
3.1"
2.7"
2.1"
1.0"
0.9"
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

1,989

Favors cool-season crops

Last spring frost (32°F): 05/15
First fall frost (32°F): 09/26

Seasonal Overview

Comfort ZoneSpring24°54°5.2"Summer64°68°10.7"Fall27°57°5.9"Winter5°13°2.1"20°40°60°80°100°

National Comparison

Warmer than 2% of US counties
Wetter than 20% of US counties
More seasonal variation than 99% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Marshall County

Climate Verdict

Marshall County has a cold, with an average annual temperature of 39.3°F, semi-arid conditions with only 23.9 inches of annual precipitation, rare extreme heat with only 4.7 days above 90°F annually, moderate snowfall of 43.6 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.

Seasonal Breakdown

Winters are severe, with January averaging a frigid 5.5°F. summers are pleasantly cool with July averaging 67.8°F. Residents experience a substantial 62°F difference between winter and summer.

Outdoor & Gardening Guidance

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

Regional Context

Marshall County is 3.5°F cooler than the Minnesota statewide average of 42.8°F, it is also noticeably drier, receiving 6.2 inches less precipitation than the state average.

Climate Profile

About Marshall County Weather

One of the Nation's Coldest Regions

With an average annual temperature of 39.3°F, Marshall County is nearly 15 degrees colder than the national median. It experiences a harsh continental climate with limited annual precipitation of 23.9 inches.

Far Below the State Average

The county stays well below the Minnesota annual average of 42.8°F. It is one of the driest counties in the state, receiving six inches less precipitation than the state average.

Cold Even by Regional Standards

Marshall is colder than its southern neighbor Mahnomen by over half a degree. It experiences significantly more winter severity than central Minnesota counties like McLeod.

Extreme Cold and Consistent Snow

January is brutal with a 5.5°F average, while 43.6 inches of snow falls annually. Summers are brief and mild, with July temperatures peaking at a modest 67.8°F.

Prepare for the Long Freeze

Residents require robust snow removal equipment and winter-grade vehicle kits for the 43.6-inch snow season. HVAC systems must be rated for extreme northern winters to manage the 9.3°F average winter lows.

Frequently Asked Questions

What is the average temperature in Marshall County?
The average annual temperature in Marshall County, MN is 39.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Marshall County get?
Marshall County receives an average of 23.9 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 Marshall County?
Yes, Marshall County receives an average of 43.6 inches of snowfall per year according to NOAA climate normals.
How hot does Marshall County get in summer?
The average summer temperature (June-August) in Marshall County is 66.0°F. The county experiences an average of 5 days per year above 90°F.
How cold are winters in Marshall County?
The average winter temperature (December-February) in Marshall County is 9.3°F. January, typically the coldest month, averages 5.5°F.

Track your own weather in Marshall 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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