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Hayfork CDP, California

Official LSAD Designation: Hayfork CDP • Census GEOID: 0632562 • Trinity County

Climate Normals & Weather Observations

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

Reference Weather Station: BIG BAR 4 E, CA US (ID: USC00040738) • Located 12.2 miles from community center • Elevation: 381.9 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 49.6° 34.3° 42.0° 6.41"
February 55.5° 34.9° 45.2° 5.37"
March 62.3° 36.6° 49.5° 4.58"
April 68.9° 38.9° 53.9° 2.62"
May 78.4° 43.7° 61.1° 1.67"
June 86.4° 48.1° 67.3° 0.73"
July 96.5° 53.2° 74.8° 0.17"
August 95.4° 52.3° 73.8° 0.20"
September 89.0° 47.2° 68.1° 0.44"
October 74.3° 40.7° 57.5° 2.20"
November 56.8° 37.6° 47.2° 4.19"
December 47.7° 34.1° 40.9° 7.24"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station BIG BAR 4 E, CA US (ID: USC00040738) • 12.2 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 BIG BAR 4 E, CA 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. 36.0 46.5 57.0 67.5 78.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2013: Annual mean 56.0°F 2014: Annual mean 58.5°F 2015: Annual mean 58.4°F 2013: Annual mean of daily highs 72.0°F 2014: Annual mean of daily highs 73.9°F 2015: Annual mean of daily highs 73.9°F 2013: Annual mean of daily lows 40.0°F 2014: Annual mean of daily lows 43.1°F 2015: Annual mean of daily lows 42.9°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 Unavailable Unavailable Unavailable
2011 Unavailable Unavailable Unavailable
2012 Unavailable Unavailable Unavailable
2013 56.0 72.0 40.0
2014 58.5 73.9 43.1
2015 58.4 73.9 42.9
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.