In this region, midday desert temperatures can be hot year round. After sunset, however, the clear, dry air permits rapid loss of heat, and the nights are cool to chilly. Enormous daily ranges in temperature are recorded. The highest official temperature was 50.6 °C (123.1 °F) at In Salah. Rainfall is fairly plentiful along the coastal part of the Tell Atlas, ranging from 400 to 670 mm annually.
The varied vegetation of Algeria includes coastal, mountainous and grassy desert-like regions which all support a wide range of wildlife. Many of the creatures comprising the Algerian wildlife live in close proximity to civilization. The most commonly seen animals include the wild boars, jackals, and gazelles, although it is not uncommon to spot fennecs (foxes), and jerboas. Algeria also has a few panther, leopard and cheetah populations but these are seldom seen. A variety of bird species make the country an attraction for bird watchers. The forests are inhabited by boars and jackals. Barbary macaques are the sole native monkey. Snakes, monitor lizards, and numerous other reptiles can be found living among an array of rodents throughout the semi arid regions of Algeria. Many Animals are now extinguished, among which the Barbary lions and bears. In the north some of the native flora includes Macchia scrub, olive trees, oaks, cedars and other conifers. The mountain regions contain large forests of evergreens and some deciduous trees. Fig, eucalyptus, agave, and various palm trees grow in the warmer areas. The grape vine is indigenous to the coast. In the Sahara region some oases have palm trees. Acacias with wild olives are the predominant flora in the remainder of the Sahara.
Camels are used extensively; the desert also abounds with poisonous and nonpoisonous snakes, scorpions, and numerous insects.