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Petersburg CDP, Alaska

Official LSAD Designation: Petersburg CDP • Census GEOID: 0260310 • Petersburg Borough

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Petersburg CDP.

Reference Weather Station: PETERSBURG 1, AK US (ID: USW00025329) • Located 4.2 miles from community center • Elevation: 32.6 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 34.6° 27.2° 30.9° 11.39"
February 36.7° 27.5° 32.1° 7.60"
March 40.3° 29.6° 34.9° 7.60"
April 47.8° 35.1° 41.4° 6.66"
May 55.3° 41.7° 48.5° 5.86"
June 59.9° 48.1° 54.0° 4.98"
July 61.7° 51.0° 56.3° 5.63"
August 61.2° 50.3° 55.8° 8.21"
September 55.7° 45.8° 50.8° 14.35"
October 47.4° 39.2° 43.3° 13.84"
November 39.3° 32.3° 35.8° 12.28"
December 35.3° 28.4° 31.8° 11.79"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station PETERSBURG 1, AK US (ID: USW00025329) • 4.2 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 PETERSBURG 1, 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 43.9°F 2011: Annual mean 41.8°F 2012: Annual mean 42.1°F 2014: Annual mean 44.7°F 2015: Annual mean 45.6°F 2016: Annual mean 46.1°F 2025: Annual mean 43.1°F 2010: Annual mean of daily highs 49.4°F 2011: Annual mean of daily highs 47.0°F 2012: Annual mean of daily highs 47.4°F 2014: Annual mean of daily highs 50.3°F 2015: Annual mean of daily highs 50.9°F 2016: Annual mean of daily highs 51.2°F 2025: Annual mean of daily highs 48.1°F 2010: Annual mean of daily lows 38.3°F 2011: Annual mean of daily lows 36.5°F 2012: Annual mean of daily lows 36.9°F 2014: Annual mean of daily lows 39.1°F 2015: Annual mean of daily lows 40.4°F 2016: Annual mean of daily lows 40.9°F 2025: Annual mean of daily lows 38.0°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 43.9 49.4 38.3
2011 41.8 47.0 36.5
2012 42.1 47.4 36.9
2013 Unavailable Unavailable Unavailable
2014 44.7 50.3 39.1
2015 45.6 50.9 40.4
2016 46.1 51.2 40.9
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 43.1 48.1 38.0
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.