“The highest confirmed temperature on Earth recorded according to these measures was 56.7 °C (134.1 °F) in Furnace Creek Ranch, California, located in the Death Valley desert in the United States, on July 10, 1913.”
https://en.wikipedia.org/wiki/Highest_temperature_recorded_on_Earth
There’s dry heat as in DV and wet heat as in Kuwait where adjusted for heat and humidity the apparent or felt temperature was 165F