In December, the weather in Tilichiki is typically freezing. Average daily high temperature in December is about 13 degrees below zero. On average, Tilichiki has 14 cloudy, 8 snowy, 6 sunny, and 3 partly cloudy days in December. The snowfalls are usually moderate. December as well as January, February, March, and May is considered the most uncomfortable time to visit Tilichiki.