Average Rainfall for Minnesota in August





The tables below give monthly averages for rainfall during August at cities, towns and parks in Minnesota.

Each place has a total for the amount of precipitation it usually receives this month. Most sites also have information on the number of days with wet weather. That includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The rainfall totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center.

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

Southern Minnesota

Average monthly precipitation in August
Days Place Inches Milli­metres
10 Albert Lea 4.5 113
10 Faribault 4.7 120
9 Mankato 4.2 106
10 Minneapolis 4.3 109
9 Pipestone 3.1 80
9 Redwood Falls 3.7 94
10 Rochester 4.5 115
11 St. Paul 4.8 122
10 Winona 5.1 130
9 Worthington 3.8 96

Northeastern Minnesota

August averages for total rainfall
Days Place Inches Milli­metres
10 Big Sandy Lake Dam 3.3 83
11 Duluth 3.7 94
8 Grand Marais 2.7 69
Grand Portage 3.5 89
10 Grand Rapids 3.4 87
10 Gunflint Lake 3.5 88
11 Hibbing 3.1 80
11 International Falls 2.8 71
10 Two Harbors 3.7 95
Wild River State Park 4.2 106

Northwestern Minnesota 

Average amount of rain in August
Days Place Inches Milli­metres
9 Agassiz Wildlife Refuge 3.1 78
9 Alexandria 3.5 90
Bemidji 3.2 82
9 Brainerd 3.1 78
9 Detroit Lakes 3.0 75
9 Moorhead 2.7 68
9 St. Cloud 3.8 96
10 Warroad 3.1 80
Waskish 3.4 85
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Minnesota Precipitation
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