There are two places that compete:
As to why. a place becomes a desert when it receives very little precipitation. Precipitation here basically refers to water falling from the sky, either as rain or snow.
And these two places both have very little of that.
The driest state is Nevada with it only receiving an average of 9.5 inches a year of rain. Other dry states include Utah, Arizona, Wyoming, Colorado, Montana and New Mexico.
It depends which country you mean.
The Sechura Desert (also known as the Nazca Desert) is not the driest in the world. It does border on the Atacama Desert which many consider the driest desert.
The Desert is the driest biome.
The Atacama is the driest and only desert in Chile.
The Atacama desert, the driest desert in the world.
Some scientists say Antarctica is the driest desert. Others say the Atacama is driest. Take your choice and whatever is left over is the second driest desert.
The coldest desert is the Patagonian Desert and the driest is the Atacama Desert.
The largest desert is the Patagonian Desert and the driest is the Atacama.
The desert and the tundra are the driest biomes as far as precipitation.The desert and the tundra are the driest biomes as far as precipitation.
Antarctica and the Atacama Desert are the driest deserts in the world.
Antarctica is the driest and windiest desert in the world.
Desert and Tundra are the driest biomes.
There is only one desert in northern Chile and that is the Atacama Desert, the driest desert on earth.