May in Kota Kinabalu is the cloudiest month of the year. In May, the weather in Kota Kinabalu is typically hot. Average daily high temperature in May is about 29 degrees above zero. On average, Kota Kinabalu has 17 rainy, 12 cloudy, 1 sunny, and 1 partly cloudy day in May. The rains are usually heavy. May as well as April, August, November, and December is considered the most uncomfortable time to visit Kota Kinabalu.