January weather forecast in Las Vegas

January in Las Vegas is the snowiest month of the year. In January, the weather in Las Vegas is typically cold. Average daily high temperature in January is about 6 degrees above zero. On average, Las Vegas has 18 sunny, 8 partly cloudy, 3 snowy, and 2 cloudy days in January. The snowfalls are usually light. January as well as February, July, August, and December is considered the most uncomfortable time to visit Las Vegas.