Average Temperatures for Large US Cities in July





Average temperatures for the month of July in the largest US cities are listed below in degrees Fahrenheit and Celsius.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1981 to 2010 by the NOAA National Climatic Data Center of the United States.

July is the hottest month of the year for most large US cities. Daytime temperatures above 80 degrees Fahrenheit (27 degrees Celsius) regularly occur nearly everywhere. The exceptions are cities along the Pacific coast. Seattle, San Francisco and San Diego stay cooler than elsewhere.

Phoenix and Las Vegas top the list this month of the hottest major cities in the United States with July temperatures averaging highs of well over 100 F (38 C) by day and nights that usually remain above 80 degrees F.

Average July temperatures for US cities.
High °F Low °F City High °C Low °C
89 71 Atlanta, Georgia 32 22
96 74 Austin, Texas 35 24
87 67 Baltimore, Maryland 31 19
91 71 Birmingham, Alabama 33 22
81 65 Boston, Massachusetts 27 19
80 62 Buffalo, New York 27 17
89 68 Charlotte, North Carolina 32 20
84 64 Chicago, Illinois 29 18
87 65 Cincinnati, Ohio 30 18
83 64 Cleveland, Ohio 28 18
85 66 Columbus, Ohio 29 19
96 77 Dallas, Texas 36 25
88 59 Denver, Colorado 31 15
83 64 Detroit, Michigan 29 18
85 63 Hartford, Connecticut 29 17
94 75 Houston, Texas 34 24
85 66 Indianapolis, Indiana 29 19
92 73 Jacksonville, Florida 33 23
90 72 Kansas City, Missouri 32 22
104 81 Las Vegas, Nevada 40 27
83 64 Los Angeles, California 28 18
89 70 Louisville, Kentucky 32 21
92 74 Memphis, Tennessee 33 23
91 77 Miami, Florida 33 25
80 64 Milwaukee, Wisconsin 27 18
83 64 Minneapolis, Minnesota 29 18
High °F Low °F City High °C Low °C
89 70 Nashville, Tennessee 32 21
91 75 New Orleans, Louisiana 33 24
84 69 New York, New York 29 20
94 72 Oklahoma City, Oklahoma 34 22
92 74 Orlando, Florida 33 23
87 69 Philadelphia, Pennsylvania 31 21
106 83 Phoenix, Arizona 41 28
83 63 Pittsburgh, Pennsylvania 28 17
81 56 Portland, Oregon 27 13
83 64 Providence, Rhode Island 28 18
90 69 Raleigh, North Carolina 32 21
90 69 Richmond, Virginia 32 21
95 64 Riverside, California 35 18
81 61 Rochester, New York 27 16
92 58 Sacramento, California 33 15
93 65 Salt Lake City, Utah 34 18
95 75 San Antonio, Texas 35 24
75 65 San Diego, California 24 19
67 54 San Francisco, California 19 12
82 58 San Jose, California 28 15
76 57 Seattle, Washington 24 14
89 71 St. Louis, Missouri 32 22
90 76 Tampa, Florida 32 24
87 72 Virginia Beach, Virginia 31 22
88 71 Washington, DC 31 22
Reference

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

US City Temperatures
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