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Tonsina CDP, Alaska

Official LSAD Designation: Tonsina CDP • Census GEOID: 0278350 • Copper River Census Area

Climate Normals & Weather Observations

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

Reference Weather Station: TONSINA, AK US (ID: USC00509385) • Located 8.4 miles from community center • Elevation: 481.3 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 4.9° -9.5° -2.3° 1.06"
February 17.1° -5.1° 6.0° 1.01"
March 29.0° -1.0° 14.0° 0.45"
April 44.5° 18.6° 31.6° 0.17"
May 57.3° 30.6° 43.9° 0.48"
June 66.6° 39.7° 53.2° 1.42"
July 69.6° 44.6° 57.1° 1.79"
August 64.8° 40.0° 52.4° 1.76"
September 53.6° 30.9° 42.3° 1.50"
October 35.7° 17.3° 26.5° 1.04"
November 14.6° 0.2° 7.4° 1.27"
December 6.6° -7.6° -0.5° 1.30"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station TONSINA, AK US (ID: USC00509385) • 8.4 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 TONSINA, 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. 10.0 18.3 26.5 34.8 43.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 27.2°F 2011: Annual mean 27.0°F 2012: Annual mean 23.6°F 2013: Annual mean 29.0°F 2010: Annual mean of daily highs 37.8°F 2011: Annual mean of daily highs 38.2°F 2012: Annual mean of daily highs 34.5°F 2013: Annual mean of daily highs 39.6°F 2010: Annual mean of daily lows 16.6°F 2011: Annual mean of daily lows 15.8°F 2012: Annual mean of daily lows 12.8°F 2013: Annual mean of daily lows 18.3°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 27.2 37.8 16.6
2011 27.0 38.2 15.8
2012 23.6 34.5 12.8
2013 29.0 39.6 18.3
2014 Unavailable Unavailable Unavailable
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
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.