February in Los Alamos is the snowiest month of the year. In February, the weather in Los Alamos is typically cold. Average daily high temperature in February is about 4 degrees above zero. On average, Los Alamos has 14 partly cloudy, 9 sunny, 4 rainy, 1 snowy, and 1 cloudy day in February. The rains are usually light. February as well as January, November, and December is considered the most uncomfortable time to visit Los Alamos.