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Delta Junction city, Alaska

Official LSAD Designation: Delta Junction city • Census GEOID: 0218620 • Southeast Fairbanks Census Area

Climate Normals & Weather Observations

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

Reference Weather Station: DELTA 5 NE, AK US (ID: USC00502350) • Located 3.0 miles from community center • Elevation: 323.1 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 3.0° -13.4° -5.2° 0.50"
February 13.6° -6.8° 3.4° 0.35"
March 26.9° -1.5° 12.7° 0.25"
April 46.5° 18.7° 32.6° 0.24"
May 62.1° 32.1° 47.1° 0.94"
June 71.0° 43.5° 57.3° 2.97"
July 71.9° 47.3° 59.6° 3.03"
August 66.0° 42.0° 54.0° 2.06"
September 54.1° 30.6° 42.4° 1.14"
October 32.6° 15.4° 24.0° 0.69"
November 11.6° -4.4° 3.6° 0.64"
December 6.1° -10.4° -2.1° 0.57"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station BIG DELTA AP, AK US (ID: USW00026415) • 4.4 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00502350), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at BIG DELTA AP, 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. 15.0 22.5 30.0 37.5 45.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 30.0°F 2011: Annual mean 28.5°F 2012: Annual mean 26.1°F 2014: Annual mean 31.7°F 2015: Annual mean 31.6°F 2016: Annual mean 34.2°F 2017: Annual mean 31.2°F 2019: Annual mean 33.8°F 2020: Annual mean 27.8°F 2021: Annual mean 28.2°F 2022: Annual mean 30.0°F 2023: Annual mean 30.3°F 2024: Annual mean 30.8°F 2010: Annual mean of daily highs 38.4°F 2011: Annual mean of daily highs 37.4°F 2012: Annual mean of daily highs 34.6°F 2014: Annual mean of daily highs 40.0°F 2015: Annual mean of daily highs 39.7°F 2016: Annual mean of daily highs 42.5°F 2017: Annual mean of daily highs 39.9°F 2019: Annual mean of daily highs 41.8°F 2020: Annual mean of daily highs 36.0°F 2021: Annual mean of daily highs 36.9°F 2022: Annual mean of daily highs 38.2°F 2023: Annual mean of daily highs 38.4°F 2024: Annual mean of daily highs 38.6°F 2010: Annual mean of daily lows 21.7°F 2011: Annual mean of daily lows 19.7°F 2012: Annual mean of daily lows 17.6°F 2014: Annual mean of daily lows 23.5°F 2015: Annual mean of daily lows 23.5°F 2016: Annual mean of daily lows 26.0°F 2017: Annual mean of daily lows 22.4°F 2019: Annual mean of daily lows 25.8°F 2020: Annual mean of daily lows 19.7°F 2021: Annual mean of daily lows 19.6°F 2022: Annual mean of daily lows 21.9°F 2023: Annual mean of daily lows 22.1°F 2024: Annual mean of daily lows 23.1°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 30.0 38.4 21.7
2011 28.5 37.4 19.7
2012 26.1 34.6 17.6
2013 Unavailable Unavailable Unavailable
2014 31.7 40.0 23.5
2015 31.6 39.7 23.5
2016 34.2 42.5 26.0
2017 31.2 39.9 22.4
2018 Unavailable Unavailable Unavailable
2019 33.8 41.8 25.8
2020 27.8 36.0 19.7
2021 28.2 36.9 19.6
2022 30.0 38.2 21.9
2023 30.3 38.4 22.1
2024 30.8 38.6 23.1
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.