August in Buol is the sunniest month of the year. In August, the weather in Buol is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, Buol has 22 rainy, 6 sunny, 2 partly cloudy, and 1 cloudy day in August. The rains are usually heavy. August as well as May, June, July, and September is considered the most uncomfortable time to visit Buol.