South Lancaster Massachusetts Climate Data

Monthly Average Climate Data for South Lancaster Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.1 °C1.6 °C96.52 mm
February-8.2 °C2.9 °C85.6 mm
March-3.7 °C7.3 °C113.79 mm
April2.1 °C14.5 °C107.95 mm
May8.1 °C20.6 °C93.73 mm
June13.4 °C25.3 °C110.74 mm
July16.6 °C28.6 °C98.04 mm
August15.7 °C27.7 °C110.24 mm
September11 °C23.9 °C104.65 mm
October4.6 °C17.1 °C125.98 mm
November-0.7 °C10.7 °C99.06 mm
December-5.4 °C4.8 °C116.84 mm
Annual3.7 °C15.4 °C1263.14 mm

Climate Data for South Lancaster Massachusetts

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost100-125 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 ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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