October in Kodaikanal is the rainiest month of the year. In October, the weather in Kodaikanal is typically warm. Average daily high temperature in October is about 25 degrees above zero. On average, Kodaikanal has 29 rainy, 1 sunny, and 1 cloudy day in October. The rains are usually heavy. October as well as May, August, September, and November is considered the most uncomfortable time to visit Kodaikanal.