Find best time to go to Ketchikan for holidays in 2023/2024. Find all your holiday research and inspiration.

Ketchikan by month

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Check out the Alaska live weather and compare with the average conditions for this time of the year.

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The weather guide for Alaska (Ketchikan) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

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When is the best time to go to Ketchikan?

The best time to go to Ketchikan is May, July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 2°C maximum daytime temperature in January in Ketchikan2
  • 4°C maximum daytime temperature in February in Ketchikan4
  • 5°C maximum daytime temperature in March in Ketchikan5
  • 8°C maximum daytime temperature in April in Ketchikan8
  • 12°C maximum daytime temperature in May in Ketchikan12
  • 15°C maximum daytime temperature in June in Ketchikan15
  • 17°C maximum daytime temperature in July in Ketchikan17
  • 17°C maximum daytime temperature in August in Ketchikan17
  • 14°C maximum daytime temperature in September in Ketchikan14
  • 9°C maximum daytime temperature in October in Ketchikan9
  • 5°C maximum daytime temperature in November in Ketchikan5
  • 3°C maximum daytime temperature in December in Ketchikan3

Hours of Sunshine (daily)

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

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More about the USA

Which is the warmest month in Ketchikan?

The warmest time of year in Ketchikan is normally July. Expect maximum daytime temperatures to reach 17°C.

Which month has the most rain in Ketchikan?

In terms of rainfall, October is usually the wettest month in Ketchikan with 480mm on average. There are normally 23 days in October with some rain.

When is it sunniest in Ketchikan?

The sunniest time of year in Ketchikan is normally May with bright sunshine on average for 35% of daylight hours; that's 6 hours of sunshine per day.

When is the sea warmest in Ketchikan?

The sea is usually at its warmest in Ketchikan in August when the water temperature reaches 14°C.

Compare Ketchikan weather with the USA

Below the Ketchikan weather chart shows average maximum daytime temperature for Ketchikan, Alaska, USA and the USA (Washington).

Maximum daytime temperature (°C)

Ketchikan, Alaska, USA
USA (Washington)

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

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