Greenfield Massachusetts Climate Data

Monthly Average Climate Data for Greenfield Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.4 °C0.5 °C90.42 mm
February-9.7 °C2.4 °C79.76 mm
March-4.9 °C7 °C94.74 mm
April1.1 °C14.2 °C98.3 mm
May7.1 °C20.7 °C99.31 mm
June12.5 °C25.6 °C116.84 mm
July15.4 °C28.4 °C107.7 mm
August14.4 °C27.5 °C112.52 mm
September10 °C23.3 °C119.13 mm
October3.6 °C16.1 °C124.46 mm
November-1.7 °C9.4 °C93.73 mm
December-6.4 °C3.5 °C111 mm
Annual2.6 °C14.9 °C1247.91 mm

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 : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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