Hot Weather in USA

Warmest US Cities in Winter


During December, January and February, large cities with the warmest climates in the United States are in Florida. Just slightly cooler are urban areas along California's Pacific coast and in southern Arizona and Texas.

The season's hottest temperatures are at Florida's southernmost city, Miami. Nearly every winter day in Miami reaches at least 60 degrees Fahrenheit (15 °C). The city's temperature climbs into the 80s on 40 percent of the days in December, January and February.

These rankings of hottest cities use long-term temperature averages, based on weather data collected from 1981 to 2010 for the NOAA's National Climatic Data Center.

The major cities included in the weather rankings below represent the 51 metropolitan areas in the United States with the most people, all those with over one million residents in 2010, according to the US Census Bureau.

Fourteen of America's large cities average daily temperatures above 50 °F (10 °C) throughout winter.

Large US cities with the highest normal daily mean temperatures in December, January and February
City Daily Winter Mean
  °F °C
Miami, Florida 70 21
Tampa, Florida 62 17
Orlando, Florida 62 17
Los Angeles, California 58 15
Phoenix, Arizona 58 14
San Diego, California 57 14
Riverside, California 56 13
New Orleans, Louisiana 55 13
Jacksonville, Florida 55 13
Houston, Texas 55 13
San Antonio, Texas 53 12
Austin, Texas 53 12
San Francisco, California 52 11
San Jose, California 51 11

Highest Winter Temperatures

Seldom do winter temperatures approach 100 °F (37.8 °C) in the US. San Antonio has made it to 100 °F and Austin has reached 99 °F in February.

Normally though, city climates are much cooler than this, even for those two record-setting cities. No major American city has an average daily high temperature above 80 °F (27 °C) throughout the winter months.

US cities with the highest normal daily maximum temperatures in December, January and February
City Average Daily Maximum
  °F °C
Miami, Florida 77 25
Orlando, Florida 73 23
Tampa, Florida 72 22
Phoenix, Arizona 69 21
Riverside, California 69 21
Los Angeles, California 68 20
Jacksonville, Florida 67 19
San Diego, California 65 18
San Antonio, Texas 65 18
Houston, Texas 64 18
New Orleans, Louisiana 64 18
Austin, Texas 63 17

Warmest Low Temperatures

While all major US cities have recorded temperatures below 32 F (0 C), many remain above freezing for most the winter. Among the largest American cities, fourteen in winter normally stay above 40 F (4.4 C).

US cities with the highest normal daily minimum temperatures in December, January and February
City Average Daily Minimum
  °F °C
Miami, Florida 62 17
Tampa, Florida 53 12
Orlando, Florida 51 11
San Diego, California 49 10
Los Angeles, California 48   9
New Orleans, Louisiana 47   8
San Francisco, California 46   8
Phoenix, Arizona 46   8
Houston, Texas 45   7
Jacksonville, Florida 43   6
Riverside, California 43   6
Austin, Texas 43   6
San Jose, California 43   6
San Antonio, Texas 42   6
Reference

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

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