Quincy Massachusetts Climate Data

Monthly Average Climate Data for Quincy Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.9 °C3 °C106.68 mm
February-5.1 °C4.2 °C95.76 mm
March-1.3 °C7.7 °C129.79 mm
April4.3 °C14.2 °C114.81 mm
May9.7 °C19.8 °C93.47 mm
June15 °C25 °C102.62 mm
July18.4 °C28.3 °C92.2 mm
August17.7 °C27.4 °C94.23 mm
September13.8 °C23.4 °C96.52 mm
October7.6 °C17.2 °C128.52 mm
November2.3 °C11.3 °C108.97 mm
December-2.4 °C6.1 °C127.51 mm
Annual6.2 °C15.6 °C1291.08 mm

Climate Data for Quincy Massachusetts

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 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 ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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