Salt Lake City weather in August 2025

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

  • 31°C maximum daytime temperature in August in Salt Lake City31
    31°C max day temperature
  • 11 hours of sunshine per day
  • 6 days with some rainfall in August in Salt Lake City6
    6 days with some rainfall
  • 15°C minimum night-time temperature in August in Salt Lake City15
    15°C min night temperature
  • 14 hours of daylight per day in August in Salt Lake City14
    14 hours of daylight per day
  • Moderate heat & humidity in August in Salt Lake CityM
    Moderate heat & humidity
  • 24 mm monthly rainfall in August in Salt Lake City24
    24 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Salt Lake City9
    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.

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

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How hot is it in Salt Lake City in August?

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

How sunny is it in Salt Lake City in August?

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

Does it rain in Salt Lake City in August?

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

Salt Lake City August sunrise & sunset times

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

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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