Ketchikan weather in August 2019

  • 17°C maximum daytime temperature in August in Ketchikan17
    17°C max day temperature
  • 5 hours of sunshine per day
  • 15 days with some rainfall in August in Ketchikan15
    15 days with some rainfall
  • 9°C minimum night-time temperature in August in Ketchikan9
    9°C min night temperature
  • 15 hours of daylight per day in August in Ketchikan15
    15 hours of daylight per day
  • No heat & humidity in August in Ketchikan0
    No heat & humidity
  • 222 mm monthly rainfall in August in Ketchikan222
    222 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in August in Ketchikan5
    5 (Moderate) UV index
  • 14°C sea temperature in August in Ketchikan14
    14°C sea temperature
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The August weather guide for Ketchikan, Alaska 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Ketchikan weather in August

The average maximum daytime temperature in Ketchikan in August is a comfortable 17°C (63°F). The average night-time temperature is usually a cool 9°C (48°F). There are usually 5 hours of bright sunshine each day, which represents 32% of the 15 hours of daylight.

Expect 222mm (8.7 inches) of rainfall across the whole of August with 15 days with some rain falling. Maximum UV levels will be moderate (5 UV index) at midday when the skies are clear.

The average sea temperature in and around Ketchikan in August is 14°C (57°F).

Ketchikan sunrise & sunset times for August 2019

Browse the sunrise & sunset times for Ketchikan in August 2019. Select a month to view Ketchikan sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Thursday, 1st August 2019 04:54 20:51
Friday, 16th August 2019 05:22 20:19
Saturday, 31st August 2019 05:50 19:42
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