Las Vegas Weather December 2024 Hourly. Las vegas reaches its lowest average temperatures in december, measuring 50°f (10°c) at the peak and 37.9°f (3.3°c) at the lowest. Explore comprehensive december 2024 weather forecasts for las vegas, including daily high and low temperatures, precipitation risks, and monthly temperature trends.

December is an excellent time to visit las vegas due to its mild winter weather, with average temperatures ranging from 39°f to 57°f. Get the monthly weather forecast for las vegas, nv, including daily high/low, historical averages, to help you plan ahead.