August in Bueng Kan is the rainiest month of the year. In August, the weather in Bueng Kan is typically hot. Average daily high temperature in August is about 29 degrees above zero. On average, Bueng Kan has 30 rainy and 1 sunny 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 Bueng Kan.