The climatic elements are found in various combinations in India. The patterns of these combinations form various climatic types and sub-types.
On account of the influence of the climatic elements in climatic regions we find uniformity in climatic conditions in India.
Climatic elements are many but temperature and rainfall are the most important. For the purpose of climate classification, we organize the values of climatic elements into various indices.
The following climatic classifications are popular:
(1) Stamp and Kendrew’s Climatic Classification
(2) Koeppen’s Climatic Classification
(3) Thornthwaite’s Climatic Classification
(4) Trewartha’s Climatic Classification.