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Summertown CDP, Tennessee

Official LSAD Designation: Summertown CDP • Census GEOID: 4772040 • Lawrence County

Climate Normals & Weather Observations

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

Reference Weather Station: MT PLEASANT 1N, TN US (ID: USC00406340) • Located 10.4 miles from community center • Elevation: 237.1 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 47.3° 27.1° 37.2° 5.25"
February 52.3° 31.3° 41.8° 5.14"
March 61.3° 38.4° 49.8° 6.00"
April 71.6° 47.4° 59.5° 5.42"
May 79.9° 58.4° 69.1° 6.27"
June 87.6° 66.7° 77.2° 5.40"
July 90.5° 69.2° 79.9° 4.78"
August 89.6° 66.4° 78.0° 3.96"
September 83.7° 59.2° 71.4° 5.34"
October 72.5° 46.6° 59.5° 3.89"
November 61.2° 36.3° 48.7° 4.26"
December 50.9° 30.3° 40.6° 6.52"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station MT PLEASANT 1N, TN US (ID: USC00406340) • 10.4 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 MT PLEASANT 1N, 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. 46.0 53.5 61.0 68.5 76.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2012: Annual mean 61.0°F 2024: Annual mean 61.6°F 2012: Annual mean of daily highs 73.1°F 2024: Annual mean of daily highs 73.0°F 2012: Annual mean of daily lows 48.9°F 2024: Annual mean of daily lows 50.3°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 Unavailable Unavailable Unavailable
2012 61.0 73.1 48.9
2013 Unavailable Unavailable Unavailable
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 61.6 73.0 50.3
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.