Mille Lacs County Climate
Mille Lacs County, Minnesota
Avg Annual Temp
41.8°F
Annual Precip
29.8"
Annual Snowfall
40.3"
Extreme Heat Days
5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Mille Lacs County Weather
Colder Winters Near the Lake
Mille Lacs County has an annual average temperature of 41.8°F, falling more than 12 degrees below the national median. This region is known for its humid continental climate and 29.8 inches of annual precipitation.
Below the Statewide Mean
At 41.8°F, the county is cooler than the Minnesota state average of 42.8°F. Rainfall and snowfall levels stay close to the state averages, providing a standard northern experience.
Cooler Than Its Neighbors
The county is cooler than Morrison to the west, which averages 44.9°F. It also sees far fewer extreme heat days than southern neighbors like Martin.
Milder Summers, Freezing Januarys
The county only experiences five days of 90°F heat per year, with July averaging 69.4°F. Winter is much more intense, featuring 40.3 inches of snow and a January average of 10.5°F.
Insulate for the Long Winter
Heavy winter gear is a necessity as December through February averages only 14.3°F. Since summer heat is rare, focus home investments on insulation rather than high-capacity cooling.
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.