Devens Massachusetts Climate Data

Monthly Average Climate Data for Devens Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.1 °F34.2 °F3.62 in.
February16.9 °F36.9 °F3.38 in.
March24.9 °F44.7 °F4.33 in.
April35.7 °F58.0 °F4.05 in.
May46.4 °F69.0 °F3.74 in.
June56.0 °F77.8 °F4.47 in.
July61.6 °F83.4 °F3.74 in.
August59.9 °F81.9 °F3.95 in.
September51.8 °F74.7 °F4.03 in.
October40.0 °F62.1 °F4.87 in.
November30.4 °F50.6 °F3.89 in.
December21.8 °F40.0 °F4.5 in.
Annual38.4 °F59.4 °F48.57 in.

Climate Data for Devens Massachusetts

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year