Dutch Harbor weather in August 2025

Expect 12°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Dutch Harbor in August. Check more long-term weather averages for Dutch Harbor in August before you book your next holiday to Alaska in 2025/2026.

  • 12°C maximum daytime temperature in August in Dutch Harbor12
    12°C max day temperature
  • 7 hours of sunshine per day
  • 20 days with some rainfall in August in Dutch Harbor20
    20 days with some rainfall
  • 8°C minimum night-time temperature in August in Dutch Harbor8
    8°C min night temperature
  • 15 hours of daylight per day in August in Dutch Harbor15
    15 hours of daylight per day
  • No heat & humidity in August in Dutch Harbor0
    No heat & humidity
  • 84 mm monthly rainfall in August in Dutch Harbor84
    84 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Dutch Harbor5
    5 (Moderate) UV index
  • 9°C sea temperature in August in Dutch Harbor9
    9°C sea temperature

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The August weather guide for Alaska (Dutch Harbor) 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 warm is it in Dutch Harbor in August?

Daytime temperatures usually reach 12°C in Dutch Harbor in August, falling to 8°C at night.

How sunny is it in Dutch Harbor in August?

There are normally 7 hours of bright sunshine each day in Dutch Harbor in August - that's 46% of daylight hours.

Is the sea cold around Dutch Harbor in August?

The average sea temperature around Dutch Harbor in August is 9°C.

Does it rain in Dutch Harbor in August?

There are usually 20 days with some rain in Dutch Harbor in August and the average monthly rainfall is 84mm.

Dutch Harbor August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:21 22:03
Saturday, 16th August 2025 06:47 21:32
Sunday, 31st August 2025 07:14 20:57

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