About 4 inches a year.
1080cm
About 25 inches
Places that do not receive much rainfall get their water from mountain streams that drain into aqueducts. They also get their water by way of man made reservoirs.
30 inches
A desert is defined as a region that receives less than 10 inches (250 mm) of rainfall per year. Some deserts receive much less.
Around 12 cm
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.
4-16 inches a year
No, the rain forests account for much of Africa's rainfall. The Namib Desert and Sahara receive little rain.
A desert is defined as a region that receives less than 25 cm of rainfall per year on average. Some deserts receive much less than that.
All deserts receive less than 10 inches (250 mm) of rainfall on average per year. Some receive virtually no rainfall for decades or even centuries.
The driest climates, such as deserts, can receive less than 5-10 inches of rainfall per year. This low amount of rainfall contributes to the arid conditions and limited vegetation found in these regions.