June in Thiruvananthapuram is the cloudiest month of the year. In June, the weather in Thiruvananthapuram is typically warm. Average daily high temperature in June is about 27 degrees above zero. On average, Thiruvananthapuram has 29 rainy and 1 sunny day in June. The rains are usually heavy. June as well as April, May, July, and August is considered the most uncomfortable time to visit Thiruvananthapuram.