Some deserts have a rainy season in the summer, some in the winter, some in both. Each desert is different.
Most of Patagonia receives little rainfall so qualifies as a desert.
Most of the rainfall of the Chihuahuan Desert falls during the monsoon which occurs from June 15 though September 30 with August usually the wettest month.
28 centimeters of rainfall :)
The large, fine root system close to the surface is able to abosrb water from even a light rainfall in the desert.
Which desert
Most deserts receive some rainfall each year. However, the only area in a desert with a spring would be an oasis.
Most areas of the desert receive little rainfall, just a few millimeters of precipitation. Some areas have received absolutely no rainfall in over 400 years.
Which desert
No
Average annual rainfall in the Painted Desert is about 6.36 inches.
Desert soil does absorb a certain amount of rainfall.
There is a Mojave Desert and a Namib Desert but no Mohib Desert.