TROPICAL monsoon type.The Indian Meteorological Department (IMD) designates four official seasons:Winter (From December to early April)Summer or Pre-monsoon season (April to July in north-western India)Monsoon or Rainy season (June-September)Post-monsoon season (October-December)Equatorial type of climate is also known as tropical rainforest wet climate or simply Af climate.It usually found within 10 to 15 degrees latitude of the equator and has at LEAST 60 millimetres (2.4 in) of rainfall every month of the year.A polar climate consists of COOL summers and very cold winters, which RESULT in treeless tundra, glaciers, or a permanent or semi-permanent layer of ice.A region is arid when it is characterized by a severe lack of available WATER, to the extent of hindering or preventing the growth and development of plant and animal life.A semi-arid climate, semi-desert climate, or steppe climate is the climate of a region that receives precipitation below potential evapotranspiration, but not as low as a desert climate.