The Sudans Nile within the Sudans has no significant tributaries. The amount of rainfall increases towards the south. In the north there is the very dry Nubian Desert; in the south there are swamps and rainforest. The Sudans’s rainy season lasts for about three months (July to September) in the north, and up to six months (June to November) in the south. The dry regions are plagued by sandstorms, known as haboob, which can completely block out the sun. In the northern and western semi-desert areas, people rely on the scant rainfall for basic agriculture and many are nomadic, travelling with their
Climatic regions of India The region towards the North, East and South of the Tropical Desert zone running from Southern Punjab, Haryana and, Western Uttar Pradesh to Gird and Malwa regions in Western Madhya Pradesh and eastern fringes of Rajasthan and from there onwards to the Central Gujarat and Kathiawar regions of Gujarat state experience this climate type. India's capital city Delhi lies in this climatic zone. This climate is a transitional climate falling between tropical desert and humid sub-tropical zone, with temperatures which are less extreme than the desert climate. The annual rainfall is between 30 and 65 cm but is very unreliable