Utah weather in August 2025

Expect 31°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Utah in August. Check more long-term weather averages for Utah in August before you book your next holiday to Utah in 2025/2026.

  • 31°C maximum daytime temperature in August in Utah (Salt Lake City)31
    31°C max day temperature
  • 11 hours of sunshine per day
  • 6 days with some rainfall in August in Utah (Salt Lake City)6
    6 days with some rainfall
  • 15°C minimum night-time temperature in August in Utah (Salt Lake City)15
    15°C min night temperature
  • 14 hours of daylight per day in August in Utah (Salt Lake City)14
    14 hours of daylight per day
  • Moderate heat & humidity in August in Utah (Salt Lake City)M
    Moderate heat & humidity
  • 24 mm monthly rainfall in August in Utah (Salt Lake City)24
    24 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Utah (Salt Lake City)9
    9 (Very High) UV index

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The August weather guide for Utah (Salt Lake City) 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.

Top Utah destinations

Below are average maximum temperatures at popular countries, regions and places in Utah in August. Select a holiday destination to see more weather parameters.

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

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How hot is it in Utah in August?

Daytime temperatures usually reach 31°C in Salt Lake City, Utah in August with moderate heat and humidity, falling to 15°C at night.

How sunny is it in Utah in August?

There are normally 11 hours of bright sunshine each day in Salt Lake City, Utah in August - that's 82% of daylight hours.

Does it rain in Utah in August?

There are usually 6 days with some rain in Salt Lake City, Utah in August and the average monthly rainfall is 24mm.

Utah August sunrise & sunset times

Browse the sunrise and sunset times for Utah in August 2025. Select a month to view Utah sunrise and sunset times for the next 12 months. The Utah sunrise and sunset times shown below are for Salt Lake City.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:25 19:43
Saturday, 16th August 2025 05:39 19:24
Sunday, 31st August 2025 05:54 19:01

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