Johnson City Tennessee Climate Data

Monthly Average Climate Data for Johnson City Tennessee

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January26.8 °F46.5 °F3.47 in.
February29.3 °F50.6 °F3.77 in.
March35.7 °F59.4 °F4.1 in.
April43.9 °F69.5 °F4.08 in.
May53.0 °F76.8 °F4.0 in.
June60.9 °F82.9 °F3.92 in.
July64.7 °F85.6 °F4.99 in.
August63.5 °F85.0 °F4.58 in.
September57.4 °F80.4 °F2.85 in.
October45.6 °F70.5 °F2.6 in.
November35.2 °F59.1 °F2.91 in.
December29.8 °F49.7 °F4.1 in.
Annual45.5 °F68 °F45.37 in.

Climate Data for Johnson 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 : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate