August in Sosnovets is the rainiest month of the year. In August, the weather in Sosnovets is typically warm. Average daily high temperature in August is about 17 degrees above zero. On average, Sosnovets has 19 rainy, 6 sunny, 4 cloudy, and 2 partly cloudy days in August. The rains are usually moderate. August as well as April, May, September, and October is considered the most uncomfortable time to visit Sosnovets.