In August, the weather in Kota Kinabalu is typically hot. Average daily high temperature in August is about 29 degrees above zero. On average, Kota Kinabalu has 16 cloudy, 14 rainy, and 1 sunny day in August. The rains are usually heavy. August as well as April, May, November, and December is considered the most uncomfortable time to visit Kota Kinabalu.