July in Thiruvananthapuram is the rainiest, the windiest, and the coldest month of the year. In July, the weather in Thiruvananthapuram is typically warm. Average daily high temperature in July is about 27 degrees above zero. On average, Thiruvananthapuram has 30 rainy and 1 sunny day in July. The rains are usually heavy. July as well as April, May, June, and August is considered the most uncomfortable time to visit Thiruvananthapuram.