How Often Does It Rain in the Sahara Desert

Why is Sahara so dry?

The end of the glacial period brought more rain to the Sahara, from about 8000 BCE to 6000 BCE, perhaps because of low pressure areas over the collapsing ice sheets to the north. Once the ice sheets were gone, the northern Sahara dried out. … The Sahara is now as dry as it was about 13,000 years ago.

Does it rain in Death Valley?

Featuring an exceptionally dry climate, Death Valley averages about 2.2 inches of rainfall annually, with only 0.1 typically falling during July. February is the wettest month, with an average of 0.52 inches.