Otter Tail County Climate
Otter Tail County, Minnesota
Avg Annual Temp
40.9°F
Annual Precip
26.7"
Annual Snowfall
49.8"
Extreme Heat Days
4.966666666666666
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Otter Tail County Weather
A Northern Lake Country Climate
Otter Tail averages 40.9°F, roughly 11 degrees cooler than the national median. The climate is defined by its numerous lakes and northern geography.
Below the Minnesota Temperature Average
The county falls nearly two degrees below the state average of 42.8°F. It represents the transition from the prairie to the northern woods.
High Snowfall for the Region
With 26.7 inches of precipitation, it is drier than the state average. However, it receives 49.8 inches of snow, much more than southern Nicollet.
Long Winters and Pleasant Summers
Winter is long with a 11.9°F average, while summers remain cool with only 5 days over 90°F. July temperatures average a pleasant 69.6°F.
Insulating Against Winter Extremes
Prepare for heavy lake-effect snow with robust winter gear. Homes need excellent insulation to combat the 8.1°F average in January.
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.