In December, the weather in Koktuma is typically cold. Average daily high temperature in December is about 1 degree above zero. On average, Koktuma has 15 sunny, 13 partly cloudy, 1 rainy, 1 snowy, and 1 cloudy day in December. The rains are usually light. December as well as January, February, March, and November is considered the most uncomfortable time to visit Koktuma.