Marshall County Climate
Marshall County, Minnesota
Avg Annual Temp
39.3°F
Annual Precip
23.9"
Annual Snowfall
43.6"
Extreme Heat Days
4.7
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.