Average Rainfall for Indiana in August

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

Each place has a total for the amount of precipitation it usually receives this month. The sites also have information on the number of days with wet weather. This 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 1991 to 2020 for the US National Centers for Environmental Information.

You can jump to a separate table for each region of the state: Northern, Central and Southern Indiana.

Northern Indiana

Average monthly precipitation in August
Days Place Inches Milli­metres
9 Angola 3.9 100
9 Fort Wayne 3.8 97
10 Goshen 4.1 103
10 Indiana Dunes Lakeshore 4.1 104
10 La Porte 4.2 107
9 Rochester 4.1 105
10 South Bend 4.0 102
10 Valparaiso 3.6 91
9 Warsaw 4.5 115

Central Indiana

August averages for total rainfall
Days Place Inches Milli­metres
8 Anderson 3.4 86
8 Indianapolis 3.2 81
10 Kokomo 3.9 98
9 Lafayette 3.7 93
9 Marion 3.9 100
10 Muncie 3.4 86
8 Richmond 3.3 83
7 Terre Haute 3.6 92

Southern Indiana

Average amount of rain in August
Days Place Inches Milli­metres
8 Bloomington 3.4 86
8 Brookville 3.0 76
8 Columbus 3.5 88
7 Evansville 3.1 79
7 Paoli 3.2 80
7 Tell City 3.0 76
Reference

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

Indiana Precipitation
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