December in Svalbard Airport is the windiest month of the year. In December, the weather in Svalbard Airport is typically freezing. Average daily high temperature in December is about 8 degrees below zero. On average, Svalbard Airport has 16 cloudy, 10 snowy, 4 partly cloudy, and 1 sunny day in December. The snowfalls are usually light. December as well as January, February, March, and April is considered the most uncomfortable time to visit Svalbard Airport.