In December, the weather in Anchorage is typically freezing. Average daily high temperature in December is about 4 degrees below zero. On average, Anchorage has 12 partly cloudy, 7 sunny, 7 cloudy, 4 snowy, and 1 rainy day in December. The snowfalls are usually light. December as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Anchorage.