The climate of the town is generally characterized by high humidity almost all round the year, oppressive summer and seasonal rainfall. The temperature varies between 17 and 40 degrees of Celsius. Average annual rainfall is 1074.0 mm. The nature of the soil is generally black cotton soil.
As of 2011[update]Census of India, the town had a population of 49,500. The total population constitute, 24,021 males, 25,479 females and 4,900 children, in the age group of 0–6 years. The average literacy rate stands at 73.22% with 32,656 literates, approximately equal to the national average of 73.00%.
Salur was a major panchayat till 1950. It was established in the year 1950 and was upgraded as grade II Municipality in 2001. The extent of Salur municipality area is 19.55 sq mi (50.6 km2). The source of water supply is River Vegavathi, with 200 public taps and 226 public bore–wells. The municipality supplies 3 millionlitres per day of total drinking water is supplied with a per capita of 80 litres per day. The municipality has 54 km (34 mi) of roads, 4 public parks, 5 play gournds, 11 community halls etc. There are 23 elementary and 2 secondary schools for education purpose.