Dharmapuri district, which came into existence from 2.10.1965 is situated in the North western Corner of Tamil Nadu and is bounded by Tiruvannamalai and Villupuram Districts on the east, Salem District on the South, Krishnagiri District on the north and Kaveri river on the west. It is located between latitudes N 11 47’ and 11 57’ and longitudes E 78 02’ and 78 40’. The total geographical area of Dharmapuri District is 4497.77 Sq Kms, i.e. 3.46% of Tamil Nadu.
Climate and Rainfall
The climate of the Dharmapuri District is generally warm. The hottest period of the year is generally from the months of March to May , the highest temperature going up to 38 C in April. The Climate becomes cool in December and continuous so up to February, touching a minimum of 17 C in January. On an average the District receives an annual rainfall of 895.56 mm.
The Soil type ranges from black to mixed loam; Red sandy soils are seen in Harur Taluk. Black and loam soil are found in Dharmapuri Taluk. Generally the soil is low in Nitrogen and Phosphate content with no marked variation between Taluks.
District economy is mainly agrarian in nature. Nearly 70% of the workforce
is dependent on agriculture and allied activities. The districtis one
among most backward and drought prone area in the state.