Jackson Hole weather in August 2026

Expect daytime maximum temperatures of 77°F in Jackson Hole, Wyoming in August based on long-term weather averages. There are 10 hours of sunshine per day on average.

  • 77°F maximum daytime temperature in August in Jackson Hole77
    77°F max day temperature
  • 10 hours of sunshine per day
  • 7 days with some rainfall in August in Jackson Hole7
    7 days with some rainfall
  • 41°F minimum night-time temperature in August in Jackson Hole41
    41°F min night temperature
  • 14 hours of daylight per day in August in Jackson Hole14
    14 hours of daylight per day
  • No heat & humidity in August in Jackson Hole0
    No heat & humidity
  • 1.3 inches monthly rainfall in August in Jackson Hole1.3
    1.3 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Jackson Hole9
    9 (Very High) UV index

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The August weather guide for Wyoming (Jackson Hole) 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 Jackson Hole in August?

Daytime temperatures usually reach 77°F in Jackson Hole in August with no heat and humidity, falling to 41°F at night.

How sunny is it in Jackson Hole in August?

There are normally 10 hours of bright sunshine each day in Jackson Hole in August - that's 75% of daylight hours.

Does it rain in Jackson Hole in August?

There are usually 7 days with some rain in Jackson Hole in August and the average monthly rainfall is 1.3 inches.

Jackson Hole August sunrise & sunset times

Browse the sunrise and sunset times for Jackson Hole in August 2026. Select a month to view Jackson Hole sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st August 2026 05:13 19:45
Sunday, 16th August 2026 05:29 19:24
Monday, 31st August 2026 05:46 19:00

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