Average Temperatures for Large US Cities in December

Average temperatures for the month of December 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.

The warmest US city weather in December is at Miami, where the monthly maximum temperature averages 78 degrees Fahrenheit (26 degrees Celsius).

Freezing nights are common this month in many major cities, including Chicago, Oklahoma and Kansas City. But all large cities, except Minneapolis, manage to normally get above freezing during the day.

Average December temperatures for US cities.
High °F	Low °F	City	High °C	Low °C
56	38	Atlanta, Georgia	13	4
64	43	Austin, Texas	18	6
48	30	Baltimore, Maryland	9	-1
57	38	Birmingham, Alabama	14	3
42	29	Boston, Massachusetts	6	-2
37	26	Buffalo, New York	3	-4
55	35	Charlotte, North Carolina	13	1
38	25	Chicago, Illinois	3	-4
43	28	Cincinnati, Ohio	6	-2
40	28	Cleveland, Ohio	5	-2
42	27	Columbus, Ohio	5	-3
59	40	Dallas, Texas	15	4
46	18	Denver, Colorado	8	-8
37	25	Detroit, Michigan	3	-4
41	25	Hartford, Connecticut	5	-4
66	48	Houston, Texas	19	9
40	26	Indianapolis, Indiana	5	-3

High °F	Low °F	City	High °C	Low °C
68	50	Jacksonville, Florida	20	10
42	24	Kansas City, Missouri	6	-5
57	40	Las Vegas, Nevada	14	4
67	48	Los Angeles, California	20	9
47	32	Louisville, Kentucky	8	0
53	36	Memphis, Tennessee	12	2
78	64	Miami, Florida	26	18
36	23	Milwaukee, Wisconsin	2	-5
29	15	Minneapolis, Minnesota	-2	-9
52	33	Nashville, Tennessee	11	1
65	48	New Orleans, Louisiana	18	9
44	34	New York, New York	7	1
50	30	Oklahoma City, Oklahoma	10	-1
73	55	Orlando, Florida	23	13
46	31	Philadelphia, Pennsylvania	8	0
66	45	Phoenix, Arizona	19	7
41	27	Pittsburgh, Pennsylvania	5	-3

High °F	Low °F	City	High °C	Low °C
46	36	Portland, Oregon	8	2
43	28	Providence, Rhode Island	6	-2
55	34	Raleigh, North Carolina	13	1
52	32	Richmond, Virginia	11	0
67	43	Riverside, California	19	6
39	25	Rochester, New York	4	-4
56	41	Sacramento, California	14	5
39	25	Salt Lake City, Utah	4	-4
65	42	San Antonio, Texas	18	6
66	50	San Diego, California	19	10
58	47	San Francisco, California	14	8
60	42	San Jose, California	15	5
47	37	Seattle, Washington	8	3
45	29	St. Louis, Missouri	7	-2
74	56	Tampa, Florida	23	13
55	38	Virginia Beach, Virginia	13	3
49	35	Washington, DC	9	1

Average Temperatures for Large US Cities in December

Reference

More US City Weather Information