Climate The Savanna biome is based mainly in Africa, though there are small areas in South America, India, and Australia. The Savanna has two very distinct seasons:the wet season and the dry season. The average temperature during the dry season is about 93 degrees fahrenheit. Because of this extreme heat the area becomes very arid,most of the rivers dry up. Most of the plants die due to this lack of water and animals must migrate elsewhere to find it. Once the wet season comes around it is a much