Climatic Regions of India : Koeppen’s Classification
Climate Type
Climatic Region
Annual Rainfall in the Region
Amw (Monsoon type with shorter dry winter season)
Western coastal region, south of Mumbai
over 300 cm
As (Monsoon type with dry season in high sun period)
Coromandel coast = Coastal Tamil Nadu and adjoining areas of Andhra Pradesh
75 – 100 cm
[wet winters, dry summers]
Aw (Tropical Savanah type)
Most parts of the peninsular plateau barring Coromandel and Malabar coastal strips
75 cm
BShw (Semi-arid Steppe type)
Some rain shadow areas of Western Ghats, large part of Rajasthan and contiguous areas of Haryana and Gujarat
12 to 25 cm
BWhw (Hot desert type)
Most of western Rajasthan
less than 12 cm
Cwg (Monsoon type with dry winters)
Most parts of the Ganga Plain, eastern Rajasthan, Assam and in Malwa Plateau
100 – 200 cm
Dfc (Cold, Humid winters type with shorter summer)
Sikkim, Arunachal Pradesh and parts of Assam
~200 cm
Et (Tundra Type)
Mountain areas of Uttarakhand
The average temperature varies from 0 to 10°C
Rainfall varies from year to year.
E (Polar Type)
Higher areas of Jammu & Kashmir and Himachal Pradesh in which the temperature of the warmest month varies from 0° to 10°C
Precipitation occurs in the form of snow
Climatic Regions of India : Trewartha’s Classification
Climate Type
Climatic Region
Other Cliamatic Condtions
Am (Tropical Rain Forest)
Western coastal region, Sahayadris and parts of Assam
200 cm annual rainfall &
18.2 C to 29 C temperature
Aw
(Tropical Savanna)
Peninsular India except the semi arid zone
150 cm annual rainfall & 18 C-32 C temperature
Aw (Tropical Savanah type)
Most parts of the peninsular plateau barring Coromandel and Malabar coastal strips
75 cm
BS (Semi-arid Steppe type)
Runs southwards from central Maharashtra to Tamilnadu, Andhra Pradesh
40-75 cm annual rainfall & 20-32 C temperature
BSh (Tropical and subtropical Steppe)
Ranges from Punjab to Kutch
Annual temperature 35 C & 30-60 cm annual rainfall
BWh (Tropical Desert)
Western parts of Barmer, Jaiselmer and Bikaner and parts of Kutch
Annual Temperature 35 C & annual rainfall 25 cm
Caw
(Humid Subtropical Climate with dry winters)
It ranges from Punjab to Assam
Rainfall from 100-150 cm
H (Mountain Climate)
Mountain areas of Himalayas including Jammu & Kashmir, Uttarakhand, Himachal Pradesh, Sikkim, Arunachal Pradesh
The average temperature varies from 0 to 10°C.
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