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Sitka city and borough, Alaska

Official LSAD Designation: Sitka city and borough • Census GEOID: 0270540 • Sitka City and Borough

Climate Normals & Weather Observations

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

Reference Weather Station: SITKA 1 NE, AK US (ID: USW00025379) • Located 9.5 miles from community center • Elevation: 23.8 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 37.1° 29.2° 33.1° 9.58"
February 39.0° 29.5° 34.2° 6.48"
March 41.6° 29.9° 35.8° 6.43"
April 48.7° 33.9° 41.3° 5.01"
May 54.3° 39.2° 46.7° 4.05"
June 58.1° 45.1° 51.6° 3.63"
July 60.4° 49.8° 55.1° 5.53"
August 61.8° 49.6° 55.7° 9.61"
September 57.3° 45.4° 51.4° 13.78"
October 49.1° 38.8° 44.0° 14.79"
November 41.5° 32.7° 37.1° 12.14"
December 37.9° 30.2° 34.1° 11.03"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station SITKA 1 NE, AK US (ID: USW00025379) • 9.5 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 SITKA 1 NE, 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. 34.0 39.0 44.0 49.0 54.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 44.0°F 2012: Annual mean 42.1°F 2013: Annual mean 44.0°F 2014: Annual mean 44.3°F 2015: Annual mean 45.3°F 2016: Annual mean 46.0°F 2017: Annual mean 42.9°F 2018: Annual mean 44.7°F 2019: Annual mean 45.0°F 2020: Annual mean 43.3°F 2021: Annual mean 42.7°F 2022: Annual mean 43.8°F 2023: Annual mean 44.5°F 2024: Annual mean 43.6°F 2025: Annual mean 43.8°F 2010: Annual mean of daily highs 49.7°F 2012: Annual mean of daily highs 47.3°F 2013: Annual mean of daily highs 49.4°F 2014: Annual mean of daily highs 50.2°F 2015: Annual mean of daily highs 50.9°F 2016: Annual mean of daily highs 51.8°F 2017: Annual mean of daily highs 48.6°F 2018: Annual mean of daily highs 50.6°F 2019: Annual mean of daily highs 51.1°F 2020: Annual mean of daily highs 48.7°F 2021: Annual mean of daily highs 47.8°F 2022: Annual mean of daily highs 49.4°F 2023: Annual mean of daily highs 49.9°F 2024: Annual mean of daily highs 49.2°F 2025: Annual mean of daily highs 49.2°F 2010: Annual mean of daily lows 38.2°F 2012: Annual mean of daily lows 37.0°F 2013: Annual mean of daily lows 38.6°F 2014: Annual mean of daily lows 38.5°F 2015: Annual mean of daily lows 39.7°F 2016: Annual mean of daily lows 40.3°F 2017: Annual mean of daily lows 37.3°F 2018: Annual mean of daily lows 38.8°F 2019: Annual mean of daily lows 39.0°F 2020: Annual mean of daily lows 37.9°F 2021: Annual mean of daily lows 37.5°F 2022: Annual mean of daily lows 38.2°F 2023: Annual mean of daily lows 39.1°F 2024: Annual mean of daily lows 38.1°F 2025: Annual mean of daily lows 38.4°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 44.0 49.7 38.2
2011 Unavailable Unavailable Unavailable
2012 42.1 47.3 37.0
2013 44.0 49.4 38.6
2014 44.3 50.2 38.5
2015 45.3 50.9 39.7
2016 46.0 51.8 40.3
2017 42.9 48.6 37.3
2018 44.7 50.6 38.8
2019 45.0 51.1 39.0
2020 43.3 48.7 37.9
2021 42.7 47.8 37.5
2022 43.8 49.4 38.2
2023 44.5 49.9 39.1
2024 43.6 49.2 38.1
2025 43.8 49.2 38.4
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.