The climatic condition in the town is as like Kerala because it borders near to Kerala. It is now a first grade panchayat town. The largest river of Kanyakumari district, the Kodayar, flows along the town's north-eastern and eastern boundary. Besides, two small brooks, the Kandasankadavu brook and Poovampara brook, (small tributaries of the Kodayar) flow through the town. Nedunkulam pond is another landmark near Arumanai.
