There are a number of places that might claim to be the hottest on earth.
Temperatures of more than 120 degrees have been recorded in every continent. In some places, the temperature has remained at over 100 degrees for weeks at a time.
The place that can claim the highest temperature over a long period of time is Dallol, in a desert region of Ethiopia. During a recent six-year period, Dallol recorded an average temperature of 94 degrees!