Twin Falls weather in August 2025

Expect 88°F daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Twin Falls in August. Check more long-term weather averages for Twin Falls in August before you book your next holiday to Idaho in 2025/2026.

  • 88°F maximum daytime temperature in August in Twin Falls88
    88°F max day temperature
  • 11 hours of sunshine per day
  • 4 days with some rainfall in August in Twin Falls4
    4 days with some rainfall
  • 54°F minimum night-time temperature in August in Twin Falls54
    54°F min night temperature
  • 14 hours of daylight per day in August in Twin Falls14
    14 hours of daylight per day
  • Moderate heat & humidity in August in Twin FallsM
    Moderate heat & humidity
  • 0.5 inches monthly rainfall in August in Twin Falls0.5
    0.5 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Twin Falls8
    8 (Very High) UV index

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The August weather guide for Idaho (Twin Falls) 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 Twin Falls in August?

Daytime temperatures usually reach 88°F in Twin Falls in August with moderate heat and humidity, falling to 54°F at night.

How sunny is it in Twin Falls in August?

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

Does it rain in Twin Falls in August?

There are usually 4 days with some rain in Twin Falls in August and the average monthly rainfall is 0.5 inches.

Twin Falls August sunrise & sunset times

Browse the sunrise and sunset times for Twin Falls in August 2025. Select a month to view Twin Falls sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:30 19:57
Saturday, 16th August 2025 05:46 19:37
Sunday, 31st August 2025 06:02 19:13

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