Classification of climates, (Koppen and Thornthwaite)


Climatic Regions of India : Koeppen’s Classification
Climate TypeClimatic RegionAnnual Rainfall in the Region
(Monsoon type with shorter dry winter season)
Western coastal region, south of Mumbaiover 300 cm
(Monsoon type with dry season in high sun period)
Coromandel coast = Coastal Tamil Nadu and adjoining areas of Andhra Pradesh75 – 100 cm

[wet winters, dry summers]
(Tropical Savanah type)
Most parts of the peninsular plateau barring Coromandel and Malabar coastal strips75 cm
(Semi-arid Steppe type)
Some rain shadow areas of Western Ghats, large part of Rajasthan and contiguous areas of Haryana and Gujarat12 to 25 cm
(Hot desert type)
Most of western Rajasthanless than 12 cm
(Monsoon type with dry winters)
Most parts of the Ganga Plain, eastern Rajasthan, Assam and in Malwa Plateau100 – 200 cm
(Cold, Humid winters type with shorter summer)
Sikkim, Arunachal Pradesh and parts of Assam~200 cm
(Tundra Type)
Mountain areas of Uttarakhand

The average temperature varies from 0 to 10°C

Rainfall varies from year to year.
(Polar Type)
Higher areas of Jammu & Kashmir and Himachal Pradesh in which the temperature of the warmest month varies from 0° to 10°CPrecipitation occurs in the form of snow






Climatic Regions of India : Trewartha’s Classification

Climate TypeClimatic RegionOther Cliamatic Condtions
(Tropical Rain Forest)
Western coastal region, Sahayadris and parts of Assam200 cm annual rainfall  &

18.2 C to 29 C temperature


(Tropical Savanna)

Peninsular India except the semi arid zone150 cm annual rainfall &  18 C-32 C temperature
(Tropical Savanah type)
Most parts of the peninsular plateau barring Coromandel and Malabar coastal strips75 cm
(Semi-arid Steppe type)
Runs southwards from central Maharashtra to Tamilnadu, Andhra Pradesh40-75 cm annual rainfall & 20-32 C temperature
(Tropical and subtropical Steppe)
Ranges from Punjab to KutchAnnual temperature 35 C & 30-60 cm annual rainfall
(Tropical Desert)
Western parts of Barmer, Jaiselmer and Bikaner and parts of KutchAnnual Temperature 35 C & annual rainfall 25 cm

(Humid Subtropical Climate with dry winters)

It ranges from Punjab to AssamRainfall from 100-150 cm
H (Mountain Climate)Mountain areas of Himalayas including Jammu & Kashmir, Uttarakhand, Himachal Pradesh, Sikkim, Arunachal PradeshThe average temperature varies from 0 to 10°C.


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