Harlan Kentucky Climate Data

Monthly Average Climate Data for Harlan Kentucky

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.4 °F45.3 °F4.28 in.
February27.8 °F49.2 °F4.4 in.
March33.9 °F58.4 °F4.86 in.
April42.6 °F68.8 °F4.76 in.
May52.5 °F76.1 °F4.54 in.
June60.5 °F82.2 °F4.35 in.
July64.6 °F84.8 °F5.06 in.
August63.4 °F84.4 °F4.08 in.
September57.0 °F79.5 °F3.51 in.
October44.4 °F69.4 °F2.97 in.
November33.9 °F58.4 °F3.6 in.
December29.2 °F48.8 °F4.83 in.
Annual44.6 °F67.1 °F51.24 in.

Climate Data for Harlan Kentucky

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
2024 plantmaps.com