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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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