The 25 hottest U.S. cities by average annual temperature. Only cities with populations above 20,000.
| # | City | Population | Avg Temp |
|---|---|---|---|
| 1 | Phoenix, AZ | 1,624,832 | 73.9°F |
| 2 | Mesa, AZ | 507,478 | 72.9°F |
| 3 | Tampa, FL | 393,389 | 72.4°F |
| 4 | Henderson, NV | 324,523 | 69.8°F |
| 5 | San Antonio, TX | 1,458,954 | 69.6°F |
| 6 | Houston, TX | 2,300,419 | 69.5°F |
| 7 | New Orleans, LA | 376,035 | 69.5°F |
| 8 | Jacksonville, FL | 961,739 | 69.4°F |
| 9 | Austin, TX | 967,862 | 68.8°F |
| 10 | Dallas, TX | 1,299,553 | 66.7°F |
| 11 | Arlington, TX | 394,769 | 66.5°F |
| 12 | Fort Worth, TX | 941,311 | 66.5°F |
| 13 | El Paso, TX | 678,147 | 65.8°F |
| 14 | Bakersfield, CA | 408,366 | 65.5°F |
| 15 | Fresno, CA | 543,615 | 65.1°F |
| 16 | Los Angeles, CA | 3,857,897 | 64.3°F |
| 17 | Anaheim, CA | 344,553 | 62.9°F |
| 18 | Santa Ana, CA | 311,639 | 62.5°F |
| 19 | San Diego, CA | 1,385,061 | 62.1°F |
| 20 | Sacramento, CA | 524,802 | 61.9°F |
| 21 | Oklahoma City, OK | 688,693 | 61.7°F |
| 22 | Atlanta, GA | 499,287 | 61.3°F |
| 23 | Tulsa, OK | 412,322 | 61.2°F |
| 24 | Virginia Beach, VA | 457,066 | 60.2°F |
| 25 | San Jose, CA | 990,054 | 59.7°F |
Phoenix, AZ ranks #1 for hottest among U.S. cities with populations over 20,000, with a value of 73.9°F. Rounding out the top cities are Mesa, AZ, Tampa, FL, Henderson, NV. This ranking includes only cities with populations above 20,000. Data sourced from NOAA.