Climate in Las Vegas

Las Vegas' winters are of short duration and the season is generally mild, with December, the coolest month, averaging 47.7 °F (8.7 °C). The mountains surrounding Las Vegas accumulate snow during the winter but snow is rare in the Las Vegas Valley itself, although on December 16, 2008, Las Vegas received 3.6 inches (9.1 cm). Temperatures reach the freezing mark on 16 nights of the year but rarely sink to 20 °F (−7 °C).

Annual precipitation in Las Vegas is about 4.2 in (110 mm), which on average occurs on 26–27 days per year. Most of the precipitation falls in the winter, but the wettest month (February) has on average only 4 days of precipitation