Average Temperatures for Large US Cities in March





Average temperatures for the month of March 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.

March temperatures in America's major cities range from average lows that are below freezing to highs well above 70 degrees Fahrenheit (21 degrees Celsius). The coldest US cities in March include Buffalo, Milwaukee, Detroit, Minneapolis and Rochester. They often get frost at night while the days warm up to the mid-40s °F (7 °C).

In the hottest cities during March, the days usually reach the mid-70s °F (24 °C) while at night the temperature seldom goes below 50 °F (10 °C). Weather this warm can be found in Tampa, Phoenix and San Antonio among others. Miami stands out as the only city with daily highs normally reaching above 80 °F (27 °C).

In between the hot and cold extremes are cities with moderate temperatures day and night. San Diego in March typically stays between 53 and 70 °F (12 and 21 °C). Other cities, such as Atlanta, Birmingham and Sacramento, have similarly mild days, but slightly cooler nights.

Average March temperatures for US cities.
High °F Low °F City High °C Low °C
66 45 Atlanta, Georgia 19 7
73 52 Austin, Texas 23 11
55 34 Baltimore, Maryland 13 1
67 45 Birmingham, Alabama 20 7
46 31 Boston, Massachusetts 8 0
42 26 Buffalo, New York 5 -3
64 41 Charlotte, North Carolina 18 5
48 32 Chicago, Illinois 9 0
54 34 Cincinnati, Ohio 12 1
47 31 Cleveland, Ohio 8 -1
51 32 Columbus, Ohio 11 0
70 49 Dallas, Texas 21 10
56 27 Denver, Colorado 14 -3
46 29 Detroit, Michigan 8 -2
47 28 Hartford, Connecticut 9 -2
73 56 Houston, Texas 23 13
52 33 Indianapolis, Indiana 11 1
High °F Low °F City High °C Low °C
74 55 Jacksonville, Florida 24 13
55 34 Kansas City, Missouri 13 1
71 51 Las Vegas, Nevada 22 10
70 52 Los Angeles, California 21 11
58 39 Louisville, Kentucky 15 4
64 44 Memphis, Tennessee 18 7
81 66 Miami, Florida 27 19
44 29 Milwaukee, Wisconsin 7 -2
42 25 Minneapolis, Minnesota 5 -4
63 40 Nashville, Tennessee 17 5
72 55 New Orleans, Louisiana 22 13
50 36 New York, New York 10 2
63 40 Oklahoma City, Oklahoma 17 4
78 58 Orlando, Florida 26 15
53 34 Philadelphia, Pennsylvania 12 1
78 55 Phoenix, Arizona 26 13
49 30 Pittsburgh, Pennsylvania 10 -1
High °F Low °F City High °C Low °C
56 40 Portland, Oregon 14 4
48 30 Providence, Rhode Island 9 -1
63 40 Raleigh, North Carolina 17 5
60 37 Richmond, Virginia 15 3
72 47 Riverside, California 22 8
44 27 Rochester, New York 6 -3
68 47 Sacramento, California 20 8
55 36 Salt Lake City, Utah 13 2
74 52 San Antonio, Texas 23 11
67 55 San Diego, California 19 13
62 49 San Francisco, California 17 9
66 46 San Jose, California 19 8
54 40 Seattle, Washington 12 4
57 37 St. Louis, Missouri 14 3
78 59 Tampa, Florida 25 15
60 41 Virginia Beach, Virginia 16 5
57 39 Washington, DC 14 4
Reference

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

US City Temperatures
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