In April, the weather in Kota Kinabalu is typically hot. Average daily high temperature in April is about 29 degrees above zero. On average, Kota Kinabalu has 22 rainy, 5 partly cloudy, and 3 sunny days in April. The rains are usually heavy. April as well as January, March, May, and June is considered the most uncomfortable time to visit Kota Kinabalu.