December in Kangerlussuaq is the cloudiest month of the year. In December, the weather in Kangerlussuaq is typically freezing. Average daily high temperature in December is about 11 degrees below zero. On average, Kangerlussuaq has 14 partly cloudy, 11 cloudy, and 6 sunny days in December. December as well as January, February, March, and November is considered the most uncomfortable time to visit Kangerlussuaq.