Las Vegas Weather Forecast January 2025. The average temperature during this month is around 47.3°f (8.5°c). Full weather forecast for north las vegas in january 2025.
Las vegas is going to be cold and wet in the month of january. In las vegas, situated in the southern part of the state, daytime highs average around 58°f (14.4°c), and nighttime lows can drop to 34°f (1.1°c).