In July, the weather in Bandar Seri Begawan is typically hot. Average daily high temperature in July is about 30 degrees above zero. On average, Bandar Seri Begawan has 26 rainy, 4 cloudy, and 1 sunny day in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Bandar Seri Begawan.