In December, the weather in Belorechensk is typically cold. Average daily high temperature in December is about 6 degrees above zero. On average, Belorechensk has 10 rainy, 9 cloudy, 6 sunny, and 6 partly cloudy days in December. The rains are usually moderate. December as well as January, February, March, and May is considered the most uncomfortable time to visit Belorechensk.