Average Total Rainfall in US Cities During August





The tables below give monthly averages for rainfall during August at the largest cities in the United States.

Each place has a total for the amount of precipitation it usually receives this month along with information on the number of days with wet weather. The count of days includes those 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.

August rainfall averages by city
Days City Inches Milli­metres
10 Atlanta, Georgia 4.3 109
5 Austin, Texas 2.7 70
10 Baltimore, Maryland 4.1 104
11 Birmingham, Alabama 4.4 110
9 Boston, Massachusetts 3.2 82
10 Buffalo, New York 3.2 82
10 Charlotte, North Carolina 4.4 110
9 Chicago, Illinois 4.1 104
9 Cincinnati, Ohio 3.4 87
10 Cleveland, Ohio 3.6 90
10 Columbus, Ohio 3.7 95
5 Dallas, Texas 2.2 56
9 Denver, Colorado 1.8 46
10 Detroit, Michigan 3.3 83
10 Hartford, Connecticut 4.2 107
10 Houston, Texas 5.4 138
8 Indianapolis, Indiana 3.2 81
Days City Inches Milli­metres
15 Jacksonville, Florida 6.3 160
8 Kansas City, Missouri 4.2 108
2 Las Vegas, Nevada 0.3 8
0 Los Angeles, California 0.0 0
8 Louisville, Kentucky 3.7 94
8 Memphis, Tennessee 3.4 86
19 Miami, Florida 9.6 243
10 Milwaukee, Wisconsin 3.7 93
10 Minneapolis, Minnesota 4.3 110
9 Nashville, Tennessee 3.8 96
14 New Orleans, Louisiana 6.9 176
10 New York, New York 4.6 116
7 Oklahoma City, Oklahoma 3.6 91
18 Orlando, Florida 7.7 195
9 Philadelphia, Pennsylvania 4.3 109
5 Phoenix, Arizona 0.9 24
11 Pittsburgh, Pennsylvania 3.5 89
Days City Inches Milli­metres
4 Portland, Oregon 0.6 16
9 Providence, Rhode Island 3.6 91
11 Raleigh, North Carolina 4.7 120
9 Richmond, Virginia 4.9 124
1 Riverside, California 0.0 1
10 Rochester, New York 3.3 84
0 Sacramento, California 0.0 1
5 Salt Lake City, Utah 0.6 15
5 San Antonio, Texas 2.2 55
0 San Diego, California 0.0 0
1 San Francisco, California 0.1 2
0 San Jose, California 0.1 1
5 Seattle, Washington 1.0 25
8 St. Louis, Missouri 3.4 86
16 Tampa, Florida 9.0 229
10 Virginia Beach, Virginia 5.9 149
9 Washington, DC 3.3 83
Reference

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

US City Precipitation
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