December in Karabula is the snowiest month of the year. In December, the weather in Karabula is typically freezing. Average daily high temperature in December is about 16 degrees below zero. On average, Karabula has 14 cloudy, 10 snowy, 4 partly cloudy, and 3 sunny days in December. The snowfalls are usually light. December as well as January, February, October, and November is considered the most uncomfortable time to visit Karabula.