Norfolk Massachusetts Climate Data

Monthly Average Climate Data for Norfolk Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.7 °C2.6 °C101.6 mm
February-6.9 °C3.9 °C87.38 mm
March-2.8 °C7.9 °C120.65 mm
April2.8 °C14.7 °C115.82 mm
May8.3 °C20.4 °C89.66 mm
June13.6 °C25.1 °C108.71 mm
July16.8 °C28.2 °C89.92 mm
August16 °C27.4 °C99.57 mm
September11.8 °C23.6 °C101.35 mm
October5.4 °C17 °C126.24 mm
November0.3 °C11.1 °C105.41 mm
December-4.3 °C5.4 °C121.16 mm
Annual4.4 °C15.6 °C1267.47 mm

Climate Data for Norfolk Massachusetts

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 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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