Juneau weather in August 2024

Expect 15°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Juneau in August. Check more long-term weather averages for Juneau in August before you book your next holiday to Alaska in 2024/2025.

  • 15°C maximum daytime temperature in August in Juneau15
    15°C max day temperature
  • 5 hours of sunshine per day
  • 17 days with some rainfall in August in Juneau17
    17 days with some rainfall
  • 6°C minimum night-time temperature in August in Juneau6
    6°C min night temperature
  • 15 hours of daylight per day in August in Juneau15
    15 hours of daylight per day
  • No heat & humidity in August in Juneau0
    No heat & humidity
  • 157 mm monthly rainfall in August in Juneau157
    157 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in August in Juneau4
    4 (Moderate) UV index
  • 13°C sea temperature in August in Juneau13
    13°C sea temperature

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The August weather guide for Alaska (Juneau) 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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More about the USA

How warm is it in Juneau in August?

Daytime temperatures usually reach 15°C in Juneau in August, falling to 6°C at night.

How sunny is it in Juneau in August?

There are normally 5 hours of bright sunshine each day in Juneau in August - that's 35% of daylight hours.

How warm is the sea around Juneau in August?

The average sea temperature around Juneau in August is 13°C.

Does it rain in Juneau in August?

There are usually 17 days with some rain in Juneau in August and the average monthly rainfall is 157mm.

Juneau August sunrise & sunset times

Browse the sunrise and sunset times for Juneau in August 2024. Select a month to view Juneau sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Thursday, 1st August 2024 04:51 21:16
Friday, 16th August 2024 05:23 20:39
Saturday, 31st August 2024 05:56 19:58

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