Denali National Park weather in August 2025

Expect 54°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Denali National Park in August. Check more long-term weather averages for Denali National Park in August before you book your next holiday to Alaska in 2025/2026.

  • 54°F maximum daytime temperature in August in Denali National Park54
    54°F max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in August in Denali National Park16
    16 days with some rainfall
  • 36°F minimum night-time temperature in August in Denali National Park36
    36°F min night temperature
  • 16 hours of daylight per day in August in Denali National Park16
    16 hours of daylight per day
  • No heat & humidity in August in Denali National Park0
    No heat & humidity
  • 2.9 inches monthly rainfall in August in Denali National Park2.9
    2.9 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in August in Denali National Park4
    4 (Moderate) UV index

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The August weather guide for Alaska (Denali National Park) 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 warm is it in Denali National Park in August?

Daytime temperatures usually reach 54°F in Denali National Park in August, falling to 36°F at night.

How sunny is it in Denali National Park in August?

There are normally 6 hours of bright sunshine each day in Denali National Park in August - that's 34% of daylight hours.

Does it rain in Denali National Park in August?

There are usually 16 days with some rain in Denali National Park in August and the average monthly rainfall is 2.9 inches.

Denali National Park August sunrise & sunset times

Browse the sunrise and sunset times for Denali National Park in August 2025. Select a month to view Denali National Park sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:17 21:56
Saturday, 16th August 2025 05:02 21:07
Sunday, 31st August 2025 05:45 20:16

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