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Walnut Grove CDP, Tennessee

Official LSAD Designation: Walnut Grove CDP • Census GEOID: 4777760 • Hardin County

Climate Normals & Weather Observations

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

Reference Weather Station: SAVANNAH 6 SW, TN US (ID: USC00408108) • Located 16.2 miles from community center • Elevation: 128.0 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 51.1° 30.3° 40.7° 4.88"
February 55.7° 33.0° 44.4° 5.36"
March 64.9° 40.4° 52.6° 5.64"
April 73.9° 49.2° 61.5° 5.73"
May 81.3° 58.7° 70.0° 6.19"
June 88.2° 66.5° 77.4° 4.40"
July 91.3° 70.1° 80.7° 4.91"
August 90.9° 68.6° 79.7° 4.11"
September 85.6° 61.4° 73.5° 4.28"
October 75.8° 49.3° 62.5° 3.88"
November 63.9° 39.5° 51.7° 4.19"
December 54.0° 33.5° 43.7° 5.61"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station SAVANNAH 6 SW, TN US (ID: USC00408108) • 16.2 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 SAVANNAH 6 SW, TN 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. 44.0 52.8 61.5 70.3 79.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 60.4°F 2011: Annual mean 61.4°F 2012: Annual mean 62.5°F 2013: Annual mean 59.1°F 2014: Annual mean 59.1°F 2015: Annual mean 60.8°F 2016: Annual mean 62.2°F 2017: Annual mean 62.2°F 2018: Annual mean 60.7°F 2019: Annual mean 62.4°F 2020: Annual mean 62.0°F 2021: Annual mean 61.5°F 2022: Annual mean 61.0°F 2023: Annual mean 63.1°F 2010: Annual mean of daily highs 72.6°F 2011: Annual mean of daily highs 73.3°F 2012: Annual mean of daily highs 75.2°F 2013: Annual mean of daily highs 71.0°F 2014: Annual mean of daily highs 70.7°F 2015: Annual mean of daily highs 72.9°F 2016: Annual mean of daily highs 75.5°F 2017: Annual mean of daily highs 74.5°F 2018: Annual mean of daily highs 72.7°F 2019: Annual mean of daily highs 73.7°F 2020: Annual mean of daily highs 73.0°F 2021: Annual mean of daily highs 72.2°F 2022: Annual mean of daily highs 72.2°F 2023: Annual mean of daily highs 74.4°F 2010: Annual mean of daily lows 48.2°F 2011: Annual mean of daily lows 49.4°F 2012: Annual mean of daily lows 49.9°F 2013: Annual mean of daily lows 47.1°F 2014: Annual mean of daily lows 47.5°F 2015: Annual mean of daily lows 48.7°F 2016: Annual mean of daily lows 48.8°F 2017: Annual mean of daily lows 49.8°F 2018: Annual mean of daily lows 48.8°F 2019: Annual mean of daily lows 51.2°F 2020: Annual mean of daily lows 51.0°F 2021: Annual mean of daily lows 50.8°F 2022: Annual mean of daily lows 49.9°F 2023: Annual mean of daily lows 51.7°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 60.4 72.6 48.2
2011 61.4 73.3 49.4
2012 62.5 75.2 49.9
2013 59.1 71.0 47.1
2014 59.1 70.7 47.5
2015 60.8 72.9 48.7
2016 62.2 75.5 48.8
2017 62.2 74.5 49.8
2018 60.7 72.7 48.8
2019 62.4 73.7 51.2
2020 62.0 73.0 51.0
2021 61.5 72.2 50.8
2022 61.0 72.2 49.9
2023 63.1 74.4 51.7
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.