In August, the weather in Bol'shoy Ungut is typically warm. Average daily high temperature in August is about 18 degrees above zero. On average, Bol'shoy Ungut has 21 rainy, 6 sunny, and 4 partly cloudy days in August. The rains are usually heavy. August as well as January, February, April, and May is considered the most uncomfortable time to visit Bol'shoy Ungut.