Boston Kentucky Climate Data

Monthly Average Climate Data for Boston Kentucky

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.8 °C6.7 °C92.2 mm
February-2.3 °C9.2 °C95.5 mm
March1.7 °C14.3 °C120.9 mm
April6.9 °C20.7 °C120.65 mm
May12.2 °C25.4 °C138.43 mm
June17.3 °C29.9 °C118.87 mm
July19.2 °C31.3 °C110.49 mm
August17.9 °C31 °C87.12 mm
September14 °C28 °C88.14 mm
October7.8 °C21.8 °C95 mm
November2 °C14.4 °C89.66 mm
December-1.4 °C8.7 °C112.27 mm
Annual7.6 °C20.1 °C1269.23 mm

Climate Data for Boston 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 : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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