Geography and Climate

Tirupur district lies on the western part of Tamilnadu bordering the western ghats and hence the district enjoys a moderate climate.The district is surrounded by Coimbatore district in the west ,Erode district to the North and northeast and Karur district in the east and Dindigul district in the south east.To the south the district is surrounded by Kerala state(idukki district).The district has an area of 5106.12 square kilometers.the southern and south western parts of the district enjoys maximum rainfall,due to the surrounding of western ghats.The rest of the district lies in the rain shadow region of the Western Ghats and experiences salubrious climate most parts of the year,except the extreme east part of the district. The mean maximum and minimum temperatures for Tiruppur city during summer and winter vary between 35°C to 18°C . The average annual rainfall in the plains is around 700 mm with the North East and the South West monsoons contributing to 47% and 28% respectively to the total rainfall. The major rivers flowing through the district are Noyyal and Amaravathi. The Amaravati river is the main source of irrigation in the district. Amaravathi Dam, which created Amaravathi Reservoir, is located at Amaravathinagar.Thirumurthy dam which is created by the PAP project is situated in this district.Both Amaravathi dam and Thirumurthy dam are the prime source of irrigation in the district,where as Uppaar dam id another dam which receives water from seasonal rains.