St George weather in May 2025

Expect 86°F daytime maximum temperatures in the shade with on average 12 hours of sunshine per day in St George in May. Check more long-term weather averages for St George in May before you book your next holiday to Utah in 2025/2026.

  • 86°F maximum daytime temperature in May in St George86
    86°F max day temperature
  • 12 hours of sunshine per day
  • 3 days with some rainfall in May in St George3
    3 days with some rainfall
  • 54°F minimum night-time temperature in May in St George54
    54°F min night temperature
  • 14 hours of daylight per day in May in St George14
    14 hours of daylight per day
  • Low heat & humidity in May in St GeorgeL
    Low heat & humidity
  • 0.4 inches monthly rainfall in May in St George0.4
    0.4 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in St George9
    9 (Very High) UV index

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The May weather guide for Utah (St George) 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)  |  Imperial (°F)

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How hot is it in St George in May?

Daytime temperatures usually reach 86°F in St George in May with low heat and humidity, falling to 54°F at night.

How sunny is it in St George in May?

There are normally 12 hours of bright sunshine each day in St George in May - that's 83% of daylight hours.

Does it ever rain in St George in May?

There are usually 3 days with some rain in St George in May and the average monthly rainfall is 0.4 inches.

St George May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:39 19:24
Friday, 16th May 2025 05:25 19:37
Saturday, 31st May 2025 05:16 19:48

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