Las Vegas weather in May 2025

Expect 31°C daytime maximum temperatures in the shade with on average 13 hours of sunshine per day in Las Vegas in May. Check more long-term weather averages for Las Vegas in May before you book your next holiday to Nevada in 2025/2026.

  • 31°C maximum daytime temperature in May in Las Vegas31
    31°C max day temperature
  • 13 hours of sunshine per day
  • 2 days with some rainfall in May in Las Vegas2
    2 days with some rainfall
  • 16°C minimum night-time temperature in May in Las Vegas16
    16°C min night temperature
  • 14 hours of daylight per day in May in Las Vegas14
    14 hours of daylight per day
  • Moderate heat & humidity in May in Las VegasM
    Moderate heat & humidity
  • 5 mm monthly rainfall in May in Las Vegas5
    5 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Las Vegas9
    9 (Very High) UV index

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The May weather guide for Nevada (Las Vegas) 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.

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

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More about Las Vegas

How hot is it in Las Vegas in May?

Daytime temperatures usually reach 31°C in Las Vegas in May with moderate heat and humidity, falling to 16°C at night.

How sunny is it in Las Vegas in May?

There are normally 13 hours of bright sunshine each day in Las Vegas in May - that's 89% of daylight hours.

Does it ever rain in Las Vegas in May?

There are usually 2 days with some rain in Las Vegas in May and the average monthly rainfall is 5mm.

Las Vegas May sunrise & sunset times

Browse the sunrise and sunset times for Las Vegas in May 2025. Select a month to view Las Vegas sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:47 18:29
Friday, 16th May 2025 04:33 18:41
Saturday, 31st May 2025 04:25 18:52

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