Phoenix Heat Records 2025. Arizona heat record 2025 aidan arleyne, the desert city of phoenix, arizona, suffered a record 113 straight. America’s hottest big city broke more heat records on thursday, most notably when the temperature reached 110 degrees for the 56th time this year.

This comes on the heels of earth’s hottest july on record. At 109 degrees fahrenheit on thursday, phoenix was over 10 degrees hotter than its normal temperature on that day of the year, which is 94 degrees, according to the national.