Shirley Massachusetts Climate Data

Monthly Average Climate Data for Shirley Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.5 °C1.2 °C93.98 mm
February-8.5 °C2.8 °C86.36 mm
March-4 °C7.2 °C111.76 mm
April1.9 °C14.6 °C103.89 mm
May7.9 °C20.7 °C95.25 mm
June13.2 °C25.6 °C112.52 mm
July16.4 °C28.8 °C95.76 mm
August15.4 °C27.8 °C99.57 mm
September10.8 °C23.9 °C103.89 mm
October4.3 °C16.9 °C125.73 mm
November-1 °C10.3 °C99.82 mm
December-5.8 °C4.4 °C114.81 mm
Annual3.4 °C15.4 °C1243.34 mm

Climate Data for Shirley Massachusetts

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°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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