Medfield Massachusetts Climate Data

Monthly Average Climate Data for Medfield Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.7 °C2.6 °C100.84 mm
February-6.9 °C4 °C86.36 mm
March-2.8 °C8 °C120.4 mm
April2.7 °C14.7 °C112.78 mm
May8.3 °C20.5 °C90.93 mm
June13.4 °C25.3 °C106.43 mm
July16.8 °C28.4 °C90.68 mm
August15.9 °C27.7 °C99.57 mm
September11.8 °C23.8 °C97.54 mm
October5.3 °C17.2 °C124.97 mm
November0.3 °C11.2 °C104.39 mm
December-4.3 °C5.6 °C121.92 mm
Annual4.4 °C15.8 °C1256.81 mm

Climate Data for Medfield 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 : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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