Boston Kentucky Climate Data

Monthly Average Climate Data for Boston Kentucky

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.2 °F44.1 °F3.63 in.
February27.9 °F48.5 °F3.76 in.
March35.0 °F57.8 °F4.76 in.
April44.5 °F69.2 °F4.75 in.
May53.9 °F77.8 °F5.45 in.
June63.2 °F85.9 °F4.68 in.
July66.6 °F88.3 °F4.35 in.
August64.3 °F87.8 °F3.43 in.
September57.2 °F82.4 °F3.47 in.
October46.0 °F71.3 °F3.74 in.
November35.6 °F58.0 °F3.53 in.
December29.4 °F47.6 °F4.42 in.
Annual45.7 °F68.2 °F49.97 in.

Climate Data for Boston Kentucky

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
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 ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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