Hot Weather in USA

Hottest Cities in United States

Out of the 40 largest US cities, Phoenix Arizona has the hottest weather. It consistently ranks number one for highest maximum temperature, warmest annual mean temperature and most days in the year above 89 °F. Other cities with hotter than average weather are also located in Arizona, as well as California, Texas, Florida and Nevada.

Major cities included in these weather rankings are all the cities in the United States with over 440,000 people on July 1, 2006, according to the US Census Bureau's estimates.

Record High Temperatures

Temperatures in 12 major US cities in four states have climbed over 110 °F (43.3 °C):
City Highest °F
Phoenix, Arizona 122
Tucson, Arizona 117
Las Vegas, Nevada 117
Sacramento, California 115
El Paso, Texas 114
Dallas - Fort Worth, Texas 113
Fresno, California 112
Los Angeles, California 112
Austin, Texas 112
Long Beach, California 111
San Diego, California 111
San Antonio, Texas 111

Warmest Climates

Ten major US cities have a normal daily mean temperature above 65 °F (18.3 °C):
City Daily Average °F
Phoenix, Arizona 74.2
Houston, Texas 68.8
Tucson, Arizona 68.7
San Antonio, Texas 68.7
Austin, Texas 68.5
Las Vegas, Nevada 68.1
Jacksonville, Florida 68.0
Los Angeles, California 66.2
Dallas - Fort Worth, Texas 65.5
Long Beach, California 65.3
Eight of the largest cities in the United States have, on average, 100 or more days each year when the temperature reaches 90 °F (32.2 °C) or higher:
City Days per Year Above 89 °F
Phoenix, Arizona 169
Tucson, Arizona 144
Las Vegas, Nevada 133
San Antonio, Texas 113
Austin, Texas 109
Fresno, California 108
El Paso, Texas 107
Houston, Texas 100