Las Vegas Weather December 2024. Formula 1 next heads back to las. Discover the most accurate weather forecast for las vegas in december 2024.

Daily high temperatures decrease by 4°f, from 61°f to 57°f, rarely falling below 48°f or exceeding 68°f. Generally, december in las vegas will be slightly on the colder side, with an average temperature of around 59°f / 15°c.