Summertown Tennessee Climate Data

Monthly Average Climate Data for Summertown Tennessee

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January27.8 °F48.3 °F4.83 in.
February30.8 °F52.7 °F5.22 in.
March37.5 °F61.3 °F5.58 in.
April46.3 °F71.0 °F5.46 in.
May55.3 °F77.7 °F5.48 in.
June63.2 °F84.3 °F4.92 in.
July66.8 °F87.4 °F5.0 in.
August65.8 °F87.2 °F4.29 in.
September59.1 °F82.3 °F4.37 in.
October47.4 °F71.9 °F3.8 in.
November37.7 °F60.3 °F4.12 in.
December31.4 °F50.5 °F5.88 in.
Annual47.4 °F69.6 °F58.95 in.

Climate Data for Summertown Tennessee

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7b : 5°F to 10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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