Ketchikan Average Yearly Weather

Average weather in Ketchikan is 10 degrees celsius through the year but, this does typically vary by month.

Typically July is the hottest month of the year and January is when its coldest time of the year. Temperatures differ by 14. Anticipate that average temperatures are 9 in Spring, 17 in Summer (June to Aug) , 10 in Autumn (Sept – Nov) and 5 throughout the Winter months.

MonthDegrees Celsius
January4
February5
March7
April9
May12
June15
July18
August17
September14
October10
November6
December5


When is the best time to go to Ketchikan?

Our average yearly insights helps decide the best time to visit Ketchikan

  • Typical Average Daily Temperature: 10
  • Typical Hottest Month: July
  • Typical Coldest Month: January
  • Average Spring Temperature: 9
  • Average Summer Temperature: 17
  • Average Autumn Temperature: 10
  • Average Winter Temperature: 5