In October, the weather in Thiruvananthapuram is typically hot. Average daily high temperature in October is about 28 degrees above zero. On average, Thiruvananthapuram has 27 rainy, 3 sunny, and 1 cloudy day in October. The rains are usually heavy. October as well as April, May, June, and July is considered the most uncomfortable time to visit Thiruvananthapuram.