Las Vegas weather in August 2027

Expect daytime maximum temperatures of 39°C in Las Vegas, Nevada in August and very high heat and humidity based on long-term weather averages. There are 12 hours of sunshine per day on average.

  • 39°C maximum daytime temperature in August in Las Vegas39
    39°C max day temperature
  • 12 hours of sunshine per day
  • 3 days with some rainfall in August in Las Vegas3
    3 days with some rainfall
  • 24°C minimum night-time temperature in August in Las Vegas24
    24°C min night temperature
  • 13 hours of daylight per day in August in Las Vegas13
    13 hours of daylight per day
  • Very high heat & humidity in August in Las VegasVH
    Very High heat & humidity
  • 11 mm monthly rainfall in August in Las Vegas11
    11 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in August in Las Vegas10
    10 (Very High) UV index

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