In December, the weather in Laramie is typically freezing. Average daily high temperature in December is about zero. On average, Laramie has 15 sunny, 9 partly cloudy, 5 snowy, 1 rainy, and 1 cloudy 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 Laramie.