How much rainfall does a desert get?

Most deserts get what little precipitation they do receive in a few, heavy rainfalls, rather than many light rains spread out over the course of the year. This leads to seasonal lakes and rivers which may last a few months, or even only a few days. read more

Each region has its own annual average rainfall. For instance, most of the Sahara desert receives around 20mm per year of rain, while some parts get less than 1 mm. While the painted desert I Arizona receives 161 mm per year of rain on average. Desert is a clarification given to regions which see less than 250 mm of rainfall per year on average. read more

By Eric Bank; Updated April 24, 2017 The Sahara is the world's third-largest desert after Antarctica and the Arctic. read more

By definition, a desert is an area which receives less than 25 cm (10 in) of precipitation annually. Some get much less - the Atacama holds the record for dryest recognizable desert in the world. read more