Jefferson City Tennessee Climate Data

Monthly Average Climate Data for Jefferson City Tennessee

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.1 °C8.3 °C109.98 mm
February-0.4 °C10.8 °C111.51 mm
March3 °C15.8 °C116.59 mm
April7.7 °C20.9 °C114.81 mm
May12.8 °C25.4 °C99.31 mm
June17.4 °C29.2 °C105.66 mm
July19.5 °C30.8 °C116.33 mm
August18.8 °C30.5 °C85.34 mm
September15.3 °C27.8 °C79.25 mm
October8.6 °C21.9 °C70.61 mm
November2.6 °C15.3 °C92.46 mm
December-0.3 °C10.1 °C126.49 mm
Annual8.6 °C20.6 °C1228.34 mm

Climate Data for Jefferson City 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 : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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