May in Kuala Terengganu is the hottest month of the year. In May, the weather in Kuala Terengganu is typically hot. Average daily high temperature in May is about 31 degrees above zero. On average, Kuala Terengganu has 26 rainy, 2 cloudy, 2 partly cloudy, and 1 sunny day in May. The rains are usually heavy. May as well as January, February, March, and April is considered the most uncomfortable time to visit Kuala Terengganu.