Plymouth Massachusetts Climate Data

Monthly Average Climate Data for Plymouth Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.4 °F38.8 °F4.46 in.
February23.2 °F40.2 °F4.03 in.
March29.1 °F46.3 °F5.67 in.
April38.1 °F56.8 °F4.56 in.
May47.8 °F66.5 °F3.72 in.
June57.2 °F75.8 °F3.87 in.
July63.8 °F81.7 °F3.49 in.
August62.6 °F80.1 °F3.69 in.
September56.0 °F73.7 °F4.14 in.
October45.6 °F63.1 °F4.81 in.
November36.3 °F53.2 °F4.59 in.
December28.3 °F44.3 °F5.05 in.
Annual42.5 °F60 °F52.08 in.

Climate Data for Plymouth Massachusetts

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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