August in Chelyuskin is the rainiest month of the year. In August, the weather in Chelyuskin is typically cold. Average daily high temperature in August is about 3 degrees above zero. On average, Chelyuskin has 17 cloudy, 13 rainy, and 1 sunny day in August. The rains are usually light. August as well as January, February, March, and April is considered the most uncomfortable time to visit Chelyuskin.