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 1991 to 2020 by the US National Centers for Environmental Information.

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
90	72	Atlanta, Georgia	32	22
97	75	Austin, Texas	36	24
89	68	Baltimore, Maryland	32	20
91	72	Birmingham, Alabama	33	22
82	66	Boston, Massachusetts	28	19
80	63	Buffalo, New York	27	17
90	70	Charlotte, North Carolina	32	21
85	68	Chicago, Illinois	30	20
86	66	Cincinnati, Ohio	30	19
84	65	Cleveland, Ohio	29	19
85	65	Columbus, Ohio	30	19
97	78	Dallas, Texas	36	25
90	59	Denver, Colorado	32	15
84	64	Detroit, Michigan	29	18
98	69	Fresno, California	37	21
83	63	Grand Rapids, Michigan	28	17
85	63	Hartford, Connecticut	30	17
88	75	Honolulu, Hawaii	31	24
93	77	Houston, Texas	34	25

High °F	Low °F	City	High °C	Low °C
85	66	Indianapolis, Indiana	30	19
92	76	Jacksonville, Florida	33	24
88	68	Kansas City, Missouri	31	20
105	82	Las Vegas, Nevada	40	28
82	65	Los Angeles, California	28	18
89	71	Louisville, Kentucky	32	22
92	74	Memphis, Tennessee	33	23
91	78	Miami, Florida	33	25
82	65	Milwaukee, Wisconsin	28	18
83	65	Minneapolis, Minnesota	29	19
91	71	Nashville, Tennessee	33	21
91	77	New Orleans, Louisiana	33	25
85	70	New York, New York	29	21
93	70	Oklahoma City, Oklahoma	34	21
92	75	Orlando, Florida	33	24
88	70	Philadelphia, Pennsylvania	31	21
107	85	Phoenix, Arizona	41	29
83	63	Pittsburgh, Pennsylvania	28	17

High °F	Low °F	City	High °C	Low °C
82	57	Portland, Oregon	28	14
84	65	Providence, Rhode Island	29	18
91	70	Raleigh, North Carolina	33	21
90	69	Richmond, Virginia	32	21
93	64	Riverside, California	34	18
83	62	Rochester, New York	28	17
94	61	Sacramento, California	35	16
94	68	Salt Lake City, Utah	34	20
95	75	San Antonio, Texas	35	24
75	66	San Diego, California	24	19
66	54	San Francisco, California	19	12
81	58	San Jose, California	27	15
77	57	Seattle, Washington	25	14
90	71	St. Louis, Missouri	32	22
91	77	Tampa, Florida	33	25
100	76	Tucson, Arizona	38	25
94	73	Tulsa, Oklahoma	34	23
89	73	Virginia Beach, Virginia	32	23
90	72	Washington, DC	32	22

Average Temperatures for Large US Cities in July

Reference

More US City Weather Information