In May, the weather in Kodaikanal is typically hot. Average daily high temperature in May is about 29 degrees above zero. On average, Kodaikanal has 22 rainy, 6 cloudy, 2 sunny, and 1 partly cloudy day in May. The rains are usually heavy. May as well as August, September, October, and November is considered the most uncomfortable time to visit Kodaikanal.