Chattanooga Tennessee Climate Data

Monthly Average Climate Data for Chattanooga Tennessee

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January30.3 °F50.2 °F5.38 in.
February33.0 °F54.8 °F4.88 in.
March39.5 °F63.2 °F5.41 in.
April47.4 °F72.5 °F4.89 in.
May56.9 °F79.8 °F4.1 in.
June65.0 °F86.4 °F4.05 in.
July68.9 °F89.4 °F4.74 in.
August68.0 °F89.0 °F3.8 in.
September61.5 °F83.9 °F4.74 in.
October49.0 °F73.5 °F3.58 in.
November37.7 °F61.9 °F4.75 in.
December33.0 °F53.0 °F5.7 in.
Annual49.2 °F71.5 °F56.02 in.

Climate Data for Chattanooga Tennessee

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost50-75 Days
Plant Hardiness Zone - 2023Zone 8a : 10°F to 15°F
Plant Hardiness Zone - 2012Zone 7b : 5°F to 10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate