Medfield Massachusetts Climate Data

Monthly Average Climate Data for Medfield Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.1 °F36.7 °F3.97 in.
February19.6 °F39.2 °F3.4 in.
March26.9 °F46.4 °F4.74 in.
April36.9 °F58.5 °F4.44 in.
May46.9 °F68.9 °F3.58 in.
June56.2 °F77.5 °F4.19 in.
July62.2 °F83.2 °F3.57 in.
August60.6 °F81.8 °F3.92 in.
September53.2 °F74.8 °F3.84 in.
October41.6 °F62.9 °F4.92 in.
November32.5 °F52.2 °F4.11 in.
December24.3 °F42.0 °F4.8 in.
Annual39.9 °F60.3 °F49.48 in.

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 : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year