Average Temperatures for Minnesota in August

Average temperatures for August at cities, towns, parks and lakes throughout Minnesota are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for each region of the state: Southern, Northeastern and Northwestern Minnesota.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Southern Minnesota

Average August temperatures
High °F Low °F Place High °C Low °C
79 60 Albert Lea 26 16
80 58 Faribault 27 14
80 59 Mankato 26 15
81 63 Minneapolis 27 17
80 59 Pipestone 27 15
81 59 Redwood Falls 27 15
78 58 Rochester 26 15
79 61 St. Paul 26 16
81 61 Winona 27 16
79 58 Worthington 26 14

Northeastern Minnesota

Average daily temperatures in August
High °F Low °F Place High °C Low °C
77 56 Big Sandy Lake Dam 25 14
76 55 Duluth 24 13
70 54 Grand Marais 21 12
73 52 Grand Portage 23 11
78 53 Grand Rapids 25 12
74 52 Gunflint Lake 23 11
75 48 Hibbing 24 9
76 50 International Falls 24 10
75 56 Two Harbors 24 13
80 55 Wild River State Park 27 13

Northwestern Minnesota

August temperatures: daily averages
High °F Low °F Place High °C Low °C
80 57 Agassiz Wildlife Refuge 27 14
78 59 Alexandria 26 15
78 55 Brainerd 26 13
78 55 Detroit Lakes 25 13
79 57 Fergus Falls 26 14
77 56 Mille Lacs Lake 25 14
81 59 Moorhead 27 15
79 56 St. Cloud 26 14
75 52 Warroad 24 11
78 51 Waskish 25 10
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Minnesota Temperatures
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