Las Vegas weather in August 2019

  • 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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The August weather guide for Las Vegas, Nevada shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Las Vegas weather in August

The average maximum daytime temperature in Las Vegas in August is a very hot 39°C (102°F) with very high heat & humidity. The average night-time temperature is usually a warm 24°C (75°F). There are usually 12 hours of bright sunshine each day, which represents 88% of the 13 hours of daylight.

Expect 11mm (0.4 inches) of rainfall across the whole of August with 3 days with some rain falling. Maximum UV levels will be very high (10 UV index) at midday when the skies are clear.

Las Vegas sunrise & sunset times for August 2019

Browse the sunrise & sunset times for Las Vegas in August 2019. Select a month to view Las Vegas sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 05:48 19:46
Friday, 16th August 2019 06:00 19:30
Saturday, 31st August 2019 06:11 19:10
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