Anchorage weather in August 2025

Expect 17°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Anchorage in August. Check more long-term weather averages for Anchorage in August before you book your next holiday to Alaska in 2025/2026.

  • 17°C maximum daytime temperature in August in Anchorage17
    17°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in August in Anchorage14
    14 days with some rainfall
  • 9°C minimum night-time temperature in August in Anchorage9
    9°C min night temperature
  • 16 hours of daylight per day in August in Anchorage16
    16 hours of daylight per day
  • No heat & humidity in August in Anchorage0
    No heat & humidity
  • 64 mm monthly rainfall in August in Anchorage64
    64 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in August in Anchorage4
    4 (Moderate) UV index
  • 14°C sea temperature in August in Anchorage14
    14°C sea temperature

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The August weather guide for Alaska (Anchorage) 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 Anchorage in August?

Daytime temperatures usually reach 17°C in Anchorage in August, falling to 9°C at night.

How sunny is it in Anchorage in August?

There are normally 7 hours of bright sunshine each day in Anchorage in August - that's 41% of daylight hours.

How warm is the sea around Anchorage in August?

The average sea temperature around Anchorage in August is 14°C.

Does it rain in Anchorage in August?

There are usually 14 days with some rain in Anchorage in August and the average monthly rainfall is 64mm.

Anchorage August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:33 21:37
Saturday, 16th August 2025 05:12 20:54
Sunday, 31st August 2025 05:50 20:08

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