Ketchikan weather in May 2020

  • 12°C maximum daytime temperature in May in Ketchikan12
    12°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in May in Ketchikan16
    16 days with some rainfall
  • 4°C minimum night-time temperature in May in Ketchikan4
    4°C 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
  • 188 mm monthly rainfall in May in Ketchikan188
    188 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Ketchikan5
    5 (Moderate) UV index
  • 9°C sea temperature in May in Ketchikan9
    9°C sea temperature
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The May 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 May

The average maximum daytime temperature in Ketchikan in May is a cool 12°C (54°F). The average night-time temperature is usually a cold 4°C (39°F). There are usually 6 hours of bright sunshine each day, which represents 35% of the 16 hours of daylight.

Expect 188mm (7.4 inches) of rainfall across the whole of May with 16 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 May is 9°C (48°F).

Ketchikan sunrise & sunset times for May 2020

Browse the sunrise & sunset times for Ketchikan in May 2020. Select a month to view Ketchikan sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Friday, 1st May 2020 05:04 20:25
Saturday, 16th May 2020 04:34 20:53
Sunday, 31st May 2020 04:13 21:16
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