In August, the weather in Bolshoy Nimnyr is typically warm. Average daily high temperature in August is about 15 degrees above zero. On average, Bolshoy Nimnyr has 22 rainy, 5 sunny, 3 cloudy, and 1 partly cloudy day in August. The rains are usually heavy. August as well as January, February, March, and May is considered the most uncomfortable time to visit Bolshoy Nimnyr.