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McArthur CDP, California

Official LSAD Designation: McArthur CDP • Census GEOID: 0644700 • Shasta County

Climate Normals & Weather Observations

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

Reference Weather Station: HAT CREEK, CA US (ID: USC00043824) • Located 10.2 miles from community center • Elevation: 919.0 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 47.7° 22.2° 35.0° 3.02"
February 52.5° 23.6° 38.0° 2.62"
March 58.2° 27.6° 42.9° 2.68"
April 63.8° 31.7° 47.8° 1.84"
May 73.6° 38.2° 55.9° 1.48"
June 82.4° 43.3° 62.8° 0.71"
July 91.4° 47.1° 69.2° 0.16"
August 90.5° 44.2° 67.3° 0.17"
September 84.5° 38.0° 61.3° 0.38"
October 71.4° 30.3° 50.9° 1.09"
November 55.7° 25.5° 40.6° 2.11"
December 46.4° 22.0° 34.2° 3.03"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station HAT CREEK, CA US (ID: USC00043824) • 10.2 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 HAT CREEK, 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. 27.0 39.3 51.5 63.8 76.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2011: Annual mean 49.2°F 2014: Annual mean 53.0°F 2015: Annual mean 52.9°F 2016: Annual mean 52.1°F 2017: Annual mean 51.6°F 2022: Annual mean 51.0°F 2023: Annual mean 50.1°F 2011: Annual mean of daily highs 66.8°F 2014: Annual mean of daily highs 71.1°F 2015: Annual mean of daily highs 70.9°F 2016: Annual mean of daily highs 69.3°F 2017: Annual mean of daily highs 69.1°F 2022: Annual mean of daily highs 70.0°F 2023: Annual mean of daily highs 67.8°F 2011: Annual mean of daily lows 31.6°F 2014: Annual mean of daily lows 34.8°F 2015: Annual mean of daily lows 34.9°F 2016: Annual mean of daily lows 34.8°F 2017: Annual mean of daily lows 34.0°F 2022: Annual mean of daily lows 32.0°F 2023: Annual mean of daily lows 32.3°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 Unavailable Unavailable Unavailable
2011 49.2 66.8 31.6
2012 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 53.0 71.1 34.8
2015 52.9 70.9 34.9
2016 52.1 69.3 34.8
2017 51.6 69.1 34.0
2018 Unavailable Unavailable Unavailable
2019 Unavailable Unavailable Unavailable
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 51.0 70.0 32.0
2023 50.1 67.8 32.3
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.