Knoxville Tennessee Climate Data

Monthly Average Climate Data for Knoxville Tennessee

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January28.9 °F47.8 °F4.87 in.
February32.0 °F52.3 °F4.58 in.
March38.3 °F61.3 °F4.99 in.
April46.8 °F70.8 °F4.64 in.
May56.4 °F78.7 °F4.31 in.
June64.3 °F85.5 °F4.53 in.
July68.4 °F88.4 °F5.53 in.
August67.2 °F87.9 °F3.21 in.
September61.1 °F83.1 °F3.44 in.
October48.7 °F72.3 °F3.19 in.
November37.1 °F60.3 °F3.96 in.
December32.3 °F51.2 °F5.17 in.
Annual48.5 °F70 °F52.42 in.

Climate Data for Knoxville Tennessee

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate