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Mount Hebron CDP, California

Official LSAD Designation: Mount Hebron CDP • Census GEOID: 0649768 • Siskiyou County

Climate Normals & Weather Observations

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

Reference Weather Station: COPCO #1 DAM, CA US (ID: USC00041990) • Located 21.6 miles from community center • Elevation: 823.9 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 48.1° 26.5° 37.3° 3.37"
February 53.4° 28.7° 41.1° 2.28"
March 58.4° 32.2° 45.3° 2.01"
April 64.2° 34.9° 49.5° 1.69"
May 73.8° 41.9° 57.8° 1.40"
June 82.0° 48.5° 65.3° 0.90"
July 92.9° 55.7° 74.3° 0.47"
August 92.9° 55.3° 74.1° 0.25"
September 85.2° 48.6° 66.9° 0.48"
October 70.0° 38.7° 54.4° 1.39"
November 55.6° 31.9° 43.7° 2.68"
December 46.8° 26.1° 36.4° 3.51"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station COPCO #1 DAM, CA US (ID: USC00041990) • 21.6 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 COPCO #1 DAM, 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. 31.0 42.0 53.0 64.0 75.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2011: Annual mean 50.3°F 2012: Annual mean 53.7°F 2013: Annual mean 53.7°F 2014: Annual mean 56.4°F 2015: Annual mean 56.2°F 2017: Annual mean 53.3°F 2019: Annual mean 53.9°F 2020: Annual mean 55.2°F 2011: Annual mean of daily highs 65.9°F 2012: Annual mean of daily highs 68.5°F 2013: Annual mean of daily highs 68.5°F 2014: Annual mean of daily highs 70.5°F 2015: Annual mean of daily highs 70.9°F 2017: Annual mean of daily highs 68.6°F 2019: Annual mean of daily highs 68.2°F 2020: Annual mean of daily highs 70.5°F 2011: Annual mean of daily lows 34.8°F 2012: Annual mean of daily lows 38.8°F 2013: Annual mean of daily lows 38.9°F 2014: Annual mean of daily lows 42.3°F 2015: Annual mean of daily lows 41.5°F 2017: Annual mean of daily lows 37.9°F 2019: Annual mean of daily lows 39.6°F 2020: Annual mean of daily lows 39.8°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 50.3 65.9 34.8
2012 53.7 68.5 38.8
2013 53.7 68.5 38.9
2014 56.4 70.5 42.3
2015 56.2 70.9 41.5
2016 Unavailable Unavailable Unavailable
2017 53.3 68.6 37.9
2018 Unavailable Unavailable Unavailable
2019 53.9 68.2 39.6
2020 55.2 70.5 39.8
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.