text: Geography Karur is located at  and has an average elevation of .  The town is located in Karur district, at a distance of  from Chennai. The town is located on the banks of the rivers Amaravathi, Kaveri and Noyyal with a plain topography. There are no notable mineral resources available in and around the town. The soil types are black and red that are conducive for common crops in the Cauvery delta.
  Climate
  The prevailing climate in Karur is known as a hot semi-arid climate, labelled BSh under the Köppen and Geiger classification system. Karur receives an average of  annually, which is substantially below the state average of . The South West monsoon, with an onset in June and lasting up to August, brings scant rainfall since Karur is in a rainshadow region. The bulk of the rainfall comes during summer months (late April, May) and the North East monsoon in the months of October, November and December. The driest month is March, with only  of rain. Most rain falls in October, with an average of . The precipitation varies  between the driest month and the wettest month.
  The average temperature in Karur is . The temperature ranges from a maximum of  to a minimum of . Like the rest of the state, April to June are the hottest months and December to January are the coolest. The average temperatures vary during the year by . With an average of , May is the hottest month, whilst in the mildest months of December the average temperature is .