Mille Lacs County Climate

Mille Lacs County, Minnesota

JanFebMarAprMayJunJulAugSepOctNovDec41.8°AVG °F

Avg Annual Temp

41.8°F

Annual Precip

29.8"

Annual Snowfall

40.3"

Extreme Heat Days

5

days >= 90°F/yr

Monthly Temperature

54.4°F avgJFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
0.7"
0.7"
1.3"
2.6"
3.5"
4.3"
4.3"
3.9"
3.1"
2.8"
1.4"
1.0"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Seasonal Overview

Comfort ZoneSpring28°55°7.4"Summer65°69°12.6"Fall30°58°7.4"Winter11°18°2.4"20°40°60°80°100°

National Comparison

Warmer than 5% of US counties
Wetter than 26% of US counties
More seasonal variation than 92% of US counties

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

What is the average temperature in Mille Lacs County?
The average annual temperature in Mille Lacs County, MN is 41.8°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Mille Lacs County get?
Mille Lacs County receives an average of 29.8 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 Mille Lacs County?
Yes, Mille Lacs County receives an average of 40.3 inches of snowfall per year according to NOAA climate normals.
How hot does Mille Lacs County get in summer?
The average summer temperature (June-August) in Mille Lacs County is 67.0°F. The county experiences an average of 5 days per year above 90°F.
How cold are winters in Mille Lacs County?
The average winter temperature (December-February) in Mille Lacs County is 14.3°F. January, typically the coldest month, averages 10.5°F.

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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.

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