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Tennant CDP, California

Official LSAD Designation: Tennant CDP • Census GEOID: 0678176 • Siskiyou County

Climate Normals & Weather Observations

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

Reference Weather Station: LAVA BEDS NAT MON, CA US (ID: USC00044838) • Located 23.1 miles from community center • Elevation: 1,453.9 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 42.9° 22.7° 32.8° 1.63"
February 45.8° 24.5° 35.2° 2.10"
March 51.5° 27.9° 39.7° 1.85"
April 56.7° 31.1° 43.9° 1.30"
May 66.4° 38.3° 52.4° 1.37"
June 75.7° 43.8° 59.8° 0.99"
July 86.0° 52.5° 69.2° 0.36"
August 85.5° 51.2° 68.3° 0.34"
September 78.1° 44.8° 61.5° 0.44"
October 65.5° 36.2° 50.9° 0.85"
November 50.4° 27.3° 38.8° 1.46"
December 41.2° 22.3° 31.8° 1.53"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station MT SHASTA, CA US (ID: USC00045983) • 27.3 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00044838), which has no available annual mean history.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at MT SHASTA, 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. 33.0 42.5 52.0 61.5 71.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2011: Annual mean 49.9°F 2012: Annual mean 51.1°F 2013: Annual mean 52.1°F 2024: Annual mean 50.6°F 2011: Annual mean of daily highs 63.2°F 2012: Annual mean of daily highs 65.4°F 2013: Annual mean of daily highs 67.1°F 2024: Annual mean of daily highs 62.4°F 2025: Annual mean of daily highs 62.4°F 2011: Annual mean of daily lows 36.5°F 2012: Annual mean of daily lows 36.8°F 2013: Annual mean of daily lows 37.1°F 2024: Annual mean of daily lows 38.7°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 49.9 63.2 36.5
2012 51.1 65.4 36.8
2013 52.1 67.1 37.1
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 50.6 62.4 38.7
2025 Unavailable 62.4 Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.