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Ketchikan city, Alaska

Official LSAD Designation: Ketchikan city • Census GEOID: 0238970 • Ketchikan Gateway Borough

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Ketchikan city.

Reference Weather Station: BEAVER FALLS, AK US (ID: USC00500657) • Located 0.9 miles from community center • Elevation: 10.7 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 39.1° 32.3° 35.7° 17.63"
February 41.3° 33.1° 37.2° 11.13"
March 44.9° 34.8° 39.8° 12.64"
April 51.6° 38.8° 45.2° 9.53"
May 59.3° 45.1° 52.2° 7.19"
June 63.7° 50.3° 57.0° 5.86"
July 66.2° 54.3° 60.3° 6.51"
August 66.8° 54.3° 60.5° 11.16"
September 60.0° 50.4° 55.2° 17.68"
October 51.8° 43.4° 47.6° 19.10"
November 43.4° 37.1° 40.3° 19.46"
December 39.5° 33.4° 36.5° 19.38"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station BEAVER FALLS, AK US (ID: USC00500657) • 0.9 miles from community center .

This is the same reference station used for monthly normals.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at BEAVER FALLS, AK US Year is the horizontal axis. Annual mean temperature in degrees Fahrenheit is the vertical axis. Dots show recorded years; lines connect consecutive available years only. Missing years are gaps, with no interpolation. Optional dashed lines show annual mean of daily highs and lows. Exact values appear in the data table below. 41.0 44.8 48.5 52.3 56.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2014: Annual mean 48.1°F 2015: Annual mean 49.0°F 2016: Annual mean 49.3°F 2014: Annual mean of daily highs 53.1°F 2015: Annual mean of daily highs 53.9°F 2016: Annual mean of daily highs 54.0°F 2014: Annual mean of daily lows 43.1°F 2015: Annual mean of daily lows 44.1°F 2016: Annual mean of daily lows 44.7°F

Source: NOAA NCEI Global Summary of the Year.

Annual temperature data table (°F)
Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year Annual mean (°F) Annual mean of daily highs (°F) Annual mean of daily lows (°F)
2010 Unavailable Unavailable Unavailable
2011 Unavailable Unavailable Unavailable
2012 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 48.1 53.1 43.1
2015 49.0 53.9 44.1
2016 49.3 54.0 44.7
2017 Unavailable Unavailable Unavailable
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.