Average Rainfall for Missouri in August





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

Each place has a total for the amount of precipitation it usually receives this month. There is also a count of the number of days with wet weather, 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: South, Central and North Missouri.

South Missouri

Average monthly precipitation in August
Days Place Inches Milli­metres
8 Cape Girardeau 3.2 82
6 Caruthersville 3.1 80
8 Clearwater Lake Dam 3.3 83
8 Joplin 3.4 85
8 Ozark Beach 3.1 79
8 Poplar Bluff 3.7 93
8 Springfield 3.6 91
7 Stockton Lake Dam 3.6 92

Central Missouri

August averages for total rainfall
Days Place Inches Milli­metres
8 Clinton 4.0 102
9 Columbia 4.1 105
9 Farmington 3.8 97
8 Jefferson City 4.1 105
8 Kansas City 4.2 108
8 Lake Ozark, Lakeside 4.2 107
10 Lees Summit 4.5 115
7 Nevada 3.8 97
9 Rolla 4.5 115
7 St Charles 4.1 103
8 St Louis 3.4 86

North Missouri

Average amount of rain in August
Days Place Inches Milli­metres
8 Hannibal 3.9 100
9 Kirksville 4.2 106
9 Maryville 4.2 107
8 Moberly 3.9 100
9 St Joseph 3.8 98
9 Trenton 4.3 108
Reference

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

Missouri Precipitation
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