December weather forecast in Los Alamos

In December, the weather in Los Alamos is typically cold. Average daily high temperature in December is about 3 degrees above zero. On average, Los Alamos has 17 sunny, 8 partly cloudy, 4 snowy, 1 rainy, and 1 cloudy day in December. The snowfalls are usually light. December as well as January, February, March, and July is considered the most uncomfortable time to visit Los Alamos.