June in Ust-Kan is the cloudiest month of the year. In June, the weather in Ust-Kan is typically warm. Average daily high temperature in June is about 17 degrees above zero. On average, Ust-Kan has 17 rainy, 6 partly cloudy, 5 sunny, and 2 cloudy days in June. The rains are usually heavy. June as well as January, February, July, and December is considered the most uncomfortable time to visit Ust-Kan.