December in Mamony is the snowiest month of the year. In December, the weather in Mamony is typically freezing. Average daily high temperature in December is about 12 degrees below zero. On average, Mamony has 20 cloudy, 7 snowy, 3 sunny, and 1 partly cloudy day in December. The snowfalls are usually light. December as well as January, February, and April is considered the most uncomfortable time to visit Mamony.