Salt Lake City weather in August 2025

Expect 88°F 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.

  • 88°F maximum daytime temperature in August in Salt Lake City88
    88°F 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
  • 59°F minimum night-time temperature in August in Salt Lake City59
    59°F 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
  • 0.9 inches monthly rainfall in August in Salt Lake City0.9
    0.9 inches 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)  |  Imperial (°F)

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How hot is it in Salt Lake City in August?

Daytime temperatures usually reach 88°F in Salt Lake City in August with moderate heat and humidity, falling to 59°F 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 0.9 inches.

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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