#hottestcities

Hottest Cities in the US 2026: Where Summer Heat Hits Hardest

Phoenix is the hottest city in the US in this 2026 ranking, with an average summer temperature of 93.7°F. Yuma follows at 92.8°F, and Las Vegas comes in third at 90.8°F. What makes this ranking useful is that it compares real summer heat, not just general warm-weather reputation. If you care about extreme heat, these are the cities where summer is not just hot—it is defining