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Big Delta CDP, Alaska

Official LSAD Designation: Big Delta CDP • Census GEOID: 0206850 • Southeast Fairbanks Census Area

Climate Normals & Weather Observations

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

Reference Weather Station: DELTA 6 N, AK US (ID: USC00502339) • Located 2.4 miles from community center • Elevation: 322.8 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 2.9° -15.8° -6.5° 0.41"
February 12.9° -9.4° 1.8° 0.33"
March 23.6° -5.8° 8.9° 0.32"
April 43.8° 17.2° 30.5° 0.28"
May 59.5° 31.7° 45.6° 0.99"
June 68.8° 42.6° 55.7° 2.35"
July 70.0° 46.1° 58.1° 2.81"
August 64.1° 40.5° 52.3° 2.12"
September 52.8° 29.1° 41.0° 1.25"
October 32.4° 13.6° 23.0° 0.72"
November 12.1° -5.3° 3.4° 0.58"
December 5.5° -12.1° -3.3° 0.46"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station DELTA 6 N, AK US (ID: USC00502339) • 2.4 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 DELTA 6 N, 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. 6.0 15.8 25.5 35.3 45.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 26.9°F 2011: Annual mean 24.2°F 2012: Annual mean 21.2°F 2014: Annual mean 27.0°F 2015: Annual mean 26.9°F 2016: Annual mean 29.8°F 2017: Annual mean 27.0°F 2019: Annual mean 29.4°F 2020: Annual mean 23.6°F 2021: Annual mean 24.3°F 2023: Annual mean 26.8°F 2010: Annual mean of daily highs 39.0°F 2011: Annual mean of daily highs 36.3°F 2012: Annual mean of daily highs 32.9°F 2014: Annual mean of daily highs 38.7°F 2015: Annual mean of daily highs 38.6°F 2016: Annual mean of daily highs 41.7°F 2017: Annual mean of daily highs 38.9°F 2019: Annual mean of daily highs 40.2°F 2020: Annual mean of daily highs 34.8°F 2021: Annual mean of daily highs 35.2°F 2023: Annual mean of daily highs 37.2°F 2010: Annual mean of daily lows 14.8°F 2011: Annual mean of daily lows 12.2°F 2012: Annual mean of daily lows 9.5°F 2014: Annual mean of daily lows 15.3°F 2015: Annual mean of daily lows 15.3°F 2016: Annual mean of daily lows 17.8°F 2017: Annual mean of daily lows 15.1°F 2019: Annual mean of daily lows 18.6°F 2020: Annual mean of daily lows 12.3°F 2021: Annual mean of daily lows 13.5°F 2023: Annual mean of daily lows 16.3°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 26.9 39.0 14.8
2011 24.2 36.3 12.2
2012 21.2 32.9 9.5
2013 Unavailable Unavailable Unavailable
2014 27.0 38.7 15.3
2015 26.9 38.6 15.3
2016 29.8 41.7 17.8
2017 27.0 38.9 15.1
2018 Unavailable Unavailable Unavailable
2019 29.4 40.2 18.6
2020 23.6 34.8 12.3
2021 24.3 35.2 13.5
2022 Unavailable Unavailable Unavailable
2023 26.8 37.2 16.3
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.