Cottonwood County Climate
Cottonwood County, Minnesota
Avg Annual Temp
46.8°F
Annual Precip
31.7"
Annual Snowfall
43.5"
Extreme Heat Days
13.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Cottonwood County Weather
A Classic Midwestern Continental Climate
Cottonwood County’s 46.8°F average annual temperature sits roughly seven degrees below the national median. This humid continental climate features wide seasonal swings and significant annual precipitation of 31.7 inches.
Leading the State in Warmth
The county is significantly warmer than the Minnesota state average of 42.8°F. Its position in the southern tier makes it one of the state's more temperate areas despite its cold winters.
A Warm Spot in Southern Minnesota
Cottonwood is warmer than its neighbors to the north, showing a July average of 73.8°F. It maintains higher annual precipitation than Douglas County, which sees nearly eight inches less rain and snow.
Thirteen Days of Extreme Heat
Summer brings an average of 13 days above 90°F, significantly higher than the state median. Winters remain challenging with 43.5 inches of snow and a January average of just 16.7°F.
Prepare for Seasonal Extremes
Residents require robust air conditioning to handle the frequent 90°F summer days. Winter planning should prioritize heavy-duty snow removal equipment for the 43.5 inches of annual accumulation.
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.