Greenfield Massachusetts Climate Data

Monthly Average Climate Data for Greenfield Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.3 °F32.9 °F3.56 in.
February14.6 °F36.3 °F3.14 in.
March23.2 °F44.6 °F3.73 in.
April33.9 °F57.6 °F3.87 in.
May44.8 °F69.2 °F3.91 in.
June54.5 °F78.1 °F4.6 in.
July59.7 °F83.2 °F4.24 in.
August57.9 °F81.5 °F4.43 in.
September50.0 °F74.0 °F4.69 in.
October38.5 °F60.9 °F4.9 in.
November29.0 °F49.0 °F3.69 in.
December20.5 °F38.3 °F4.37 in.
Annual36.7 °F58.8 °F49.13 in.

Climate Data for Greenfield Massachusetts

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year