December in Aleksanldrovsk-Sahalinskiy is the snowiest month of the year. In December, the weather in Aleksanldrovsk-Sahalinskiy is typically freezing. Average daily high temperature in December is about 10 degrees below zero. On average, Aleksanldrovsk-Sahalinskiy has 21 snowy, 9 cloudy, and 1 sunny day in December. The snowfalls are usually moderate. December as well as January, February, April, and May is considered the most uncomfortable time to visit Aleksanldrovsk-Sahalinskiy.