There are four major types of deserts: hot and dry, semiarid, coastal and cold. The Sahara Desert the Gobi Desert in China. and the Mojave Desert in California are examples of hot and dry deserts. The soil is very rough with shallow or rocky sections. In these deserts, temperatures can reach 49 degrees drop to minus these deserts Celsius, which is very hot. It is not unusual 18 degrees Celsius at night.