In August, the weather in Kuala Belait is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, Kuala Belait has 22 rainy, 5 partly cloudy, 2 sunny, and 2 cloudy days in August. The rains are usually heavy. August as well as January, February, March, and April is considered the most uncomfortable time to visit Kuala Belait.