Lancaster Massachusetts Climate Data

Monthly Average Climate Data for Lancaster Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.6 °F34.6 °F3.78 in.
February17.3 °F37.3 °F3.39 in.
March25.4 °F45.1 °F4.46 in.
April36.0 °F58.2 °F4.2 in.
May46.7 °F69.2 °F3.73 in.
June56.2 °F77.9 °F4.36 in.
July62.0 °F83.7 °F3.81 in.
August60.3 °F82.1 °F4.07 in.
September51.9 °F75.2 °F4.1 in.
October40.2 °F62.7 °F4.98 in.
November30.7 °F51.0 °F3.92 in.
December22.2 °F40.4 °F4.57 in.
Annual38.7 °F59.8 °F49.37 in.

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 : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year