August in Norilsk is the rainiest month of the year. In August, the weather in Norilsk is typically warm. Average daily high temperature in August is about 11 degrees above zero. On average, Norilsk has 16 rainy, 6 sunny, 6 cloudy, and 3 partly cloudy days in August. The rains are usually moderate. August as well as January, February, March, and September is considered the most uncomfortable time to visit Norilsk.