Its northern half is primarily desert , or arid , while its central and southern areas contain both savanna plains and dense jungle ( rainforest ) regions .
The climate of Africa ranges from tropical to subarctic on its highest peaks .
Africa 's northern half is primarily desert , or arid , while its central and southern areas contain both savanna plains and dense jungle ( rainforest ) regions .
The climate of Africa ranges from tropical to subarctic on its highest peaks .