In January, Las Vegas typically sees daytime highs of 14.3°C and overnight lows around 1.5°C. Compared to the annual average high of 26.6°C, January runs -12.3°C.
January in Las Vegas averages a daytime high of 14.3°C and an overnight low of 1.5°C.
January runs -12.3°C compared to Las Vegas's annual average high of 26.6°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 14.3°C and cooler evenings around 1.5°C.