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India—Climate,
                      9                     Natural Vegetation





                                            and Wildlife








                      n the previous chapter, we learnt about the       Overall, India experiences a Tropical
                   Ishape and size of India and its latitudinal         Monsoon Type climate because it is located
                    extent. On account of India’s diverse               in the tropical belt amidst monsoon winds.
                    physiographic divisions, the climate in these       Th  ough India lies to the north of the Equator,
                    regions also diff er. In this chapter, we shall     the Himalayas and the Indian Ocean at the
                    study about the climate, vegetation and             borders play a signifi cant role in giving the
                    wildlife of India.                                  country a distinctive and varied climatic
                                                                        character.
                    Climate of India
                    Th  e varied relief features of India make its      Major Seasons of India
                    climate varied. Th  e climatic conditions of        Th  e Indian Meteorological Department
                    southern India are diff erent from northern         (IMD) has recognised the following four
                    India with respect to temperature, rainfall as      seasons in India—cold weather season,
                    well as the commencement and duration of            hot weather season, rainy season and the
                    diff erent seasons.                                 retreating monsoon.
                    As one moves away from the coastal areas
                    in India, the range of the temperature              Cold Weather Season
                    increases. Th  erefore, the people who live
                    along the Konkan and Malabar Coasts do not          Th  e winter season lasts from December to
                    experience extreme temperatures, whereas,           February. In the northern parts of India, the
                    people living in the north-western parts of         average temperature ranges between 10°C
                    India experience sharp seasonal contrasts.          and 15°C. Th  is season is caused because the
                    Th  e amount of rain that falls in India also       sun’s rays do not fall directly on the northern
                    varies across different parts of the country. No    Indian states, rather, they are slanting. Hence,
                    one place receives the same amount of rainfall      the temperatures remain quite low.
                    as the other. For example, as mentioned briefl y
                                                                        Hot Weather Season
                    in Chapter 5, a place named Mawsynram near
                    Cherrapunji in Meghalaya receives about             Th  e summer season begins in March and
                    1,080 centimetres of rainfall annually. On the      progressively increases and continues till
                    other hand, Jaisalmer in Rajasthan, receives        May. Th  e average temperature of this season
                    only 20 centimetres of annual rainfall. Th e        ranges between 35°C to 45°C. In this season,
                    diff erence in the amount of rain received is       the sun’s rays more or less fall directly on the

                    due to the varied physiography of India.            northern region. Since the rays are direct,

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