In December, the weather in Ust-Nevinskiy is typically cold. Average daily high temperature in December is about 4 degrees above zero. On average, Ust-Nevinskiy has 9 cloudy, 9 partly cloudy, 7 sunny, and 6 rainy days in December. The rains are usually light. December as well as January, March, and May is considered the most uncomfortable time to visit Ust-Nevinskiy.