In December, the weather in Omolon is typically freezing. Average daily high temperature in December is about 24 degrees below zero. On average, Omolon has 12 cloudy, 10 partly cloudy, 7 sunny, and 2 snowy days in December. The snowfalls are usually light. December as well as January, February, March, and November is considered the most uncomfortable time to visit Omolon.