Lancaster Massachusetts Climate Data

Monthly Average Climate Data for Lancaster Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.1 °C1.4 °C96.01 mm
February-8.2 °C2.9 °C86.11 mm
March-3.7 °C7.3 °C113.28 mm
April2.2 °C14.6 °C106.68 mm
May8.2 °C20.7 °C94.74 mm
June13.4 °C25.5 °C110.74 mm
July16.7 °C28.7 °C96.77 mm
August15.7 °C27.8 °C103.38 mm
September11.1 °C24 °C104.14 mm
October4.6 °C17.1 °C126.49 mm
November-0.7 °C10.6 °C99.57 mm
December-5.4 °C4.7 °C116.08 mm
Annual3.7 °C15.4 °C1253.99 mm

Climate Data for Lancaster Massachusetts

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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