Arica is known as the driest inhabited place on Earth, at least as measured by rainfall: average annual precipitation is 0.76 mm (0.03 inches), as measured at the airport meteorological station.
Which place has least rainfall?
The lowest recorded rainfall in the world occurred at Arica, a port city in northern Chile. An annual average, taken over a 43-year period, was only 0.5 mm (0.02 inch).
Which climate has least rainfall?
The Dry Valleys of Antarctica
The firmest candidate for the driest place on Earth is an especially harsh spot on the driest (and coldest) continent of all: Antarctica, a true polar desert. Antarctica gets most of its precipitation as snow, with an equivalent of about 150 mm (six inches) of water annually.