A climate characterized by very low precipitation is known as a desert climate. Typically classified as BWh (arid) in the Köppen climate classification, this climate includes regions such as Sahara and Gobi deserts. Deserts receive less than 250 millimeters (10 inches) of rain annually and are marked by extreme temperature variations. This climatic condition influences the unique ecosystems found in these regions, adapted to survive with limited water, such as cacti and various succulents.