South Lancaster Massachusetts Climate Data

Monthly Average Climate Data for South Lancaster Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.7 °F34.8 °F3.8 in.
February17.3 °F37.3 °F3.37 in.
March25.3 °F45.1 °F4.48 in.
April35.8 °F58.1 °F4.25 in.
May46.5 °F69.0 °F3.69 in.
June56.1 °F77.6 °F4.36 in.
July61.8 °F83.4 °F3.86 in.
August60.2 °F81.9 °F4.34 in.
September51.8 °F75.0 °F4.12 in.
October40.3 °F62.7 °F4.96 in.
November30.7 °F51.2 °F3.9 in.
December22.2 °F40.6 °F4.6 in.
Annual38.6 °F59.7 °F49.73 in.

Climate Data for South Lancaster Massachusetts

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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