Posted: 09/13/2012 2:57 pm EDT Updated: 09/14/2012 11:41 am EDT. Alamy. UPDATE 11:39am, 9/14: The World Meteorological Organization has officially recognized Death Valley as the world's hottest place on earth, one day after the anniversary of world's hottest temperature was recorded in El Azizia, Libya, the AP reports.PREVIOUSLY :osted: 09/13/2012 2:57 pm EDT Updated: 09/14/2012 11:41 am EDT. Alamy. UPDATE 11:39am, 9/14: The World Meteorological Organization has officially recognized Death Valley as the world's hottest place on earth, one day after the anniversary of world's hottest temperature was recorded in El Azizia, Libya, the AP reports.