South Duxbury Massachusetts Climate Data

Monthly Average Climate Data for South Duxbury Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.1 °C3.7 °C113.28 mm
February-4.6 °C4.6 °C102.87 mm
March-1.4 °C7.8 °C143.76 mm
April3.5 °C13.6 °C116.84 mm
May9 °C19.2 °C95 mm
June14.1 °C24.3 °C99.06 mm
July17.7 °C27.6 °C88.9 mm
August17.1 °C26.6 °C93.73 mm
September13.4 °C23.1 °C107.19 mm
October7.8 °C17.2 °C124.21 mm
November2.6 °C11.7 °C117.86 mm
December-1.7 °C6.8 °C128.52 mm
Annual6 °C15.5 °C1331.22 mm

Climate Data for South Duxbury Massachusetts

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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