Ketchikan weather in May 2025

Expect 54°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Ketchikan in May. Check more long-term weather averages for Ketchikan in May before you book your next holiday to Alaska in 2025/2026.

  • 54°F maximum daytime temperature in May in Ketchikan54
    54°F max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in May in Ketchikan16
    16 days with some rainfall
  • 39°F minimum night-time temperature in May in Ketchikan39
    39°F min night temperature
  • 16 hours of daylight per day in May in Ketchikan16
    16 hours of daylight per day
  • No heat & humidity in May in Ketchikan0
    No heat & humidity
  • 7.4 inches monthly rainfall in May in Ketchikan7.4
    7.4 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Ketchikan5
    5 (Moderate) UV index
  • 48°F sea temperature in May in Ketchikan48
    48°F sea temperature

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The May weather guide for Alaska (Ketchikan) 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)  |  Imperial (°F)

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More about the USA

How warm is it in Ketchikan in May?

Daytime temperatures usually reach 54°F in Ketchikan in May, falling to 39°F at night.

How sunny is it in Ketchikan in May?

There are normally 6 hours of bright sunshine each day in Ketchikan in May - that's 35% of daylight hours.

How warm is the sea around Ketchikan in May?

The average sea temperature around Ketchikan in May is 48°F.

Does it rain in Ketchikan in May?

There are usually 16 days with some rain in Ketchikan in May and the average monthly rainfall is 7.4 inches.

Ketchikan May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:04 19:25
Friday, 16th May 2025 03:35 19:53
Saturday, 31st May 2025 03:14 20:16

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