Chattanooga Tennessee Climate Data

Monthly Average Climate Data for Chattanooga Tennessee

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-0.9 °C10.1 °C136.65 mm
February0.6 °C12.7 °C123.95 mm
March4.2 °C17.3 °C137.41 mm
April8.6 °C22.5 °C124.21 mm
May13.8 °C26.6 °C104.14 mm
June18.3 °C30.2 °C102.87 mm
July20.5 °C31.9 °C120.4 mm
August20 °C31.7 °C96.52 mm
September16.4 °C28.8 °C120.4 mm
October9.4 °C23.1 °C90.93 mm
November3.2 °C16.6 °C120.65 mm
December0.6 °C11.7 °C144.78 mm
Annual9.6 °C21.9 °C1422.91 mm

Climate Data for Chattanooga Tennessee

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 1 - Apr. 10
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8a : -12.2°C to -9.4°C
Plant Hardiness Zone - 2012Zone 7b : -15°C to -12.2°C
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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