Shirley Massachusetts Climate Data

Monthly Average Climate Data for Shirley Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.9 °F34.2 °F3.7 in.
February16.7 °F37.0 °F3.4 in.
March24.8 °F44.9 °F4.4 in.
April35.5 °F58.2 °F4.09 in.
May46.3 °F69.3 °F3.75 in.
June55.8 °F78.0 °F4.43 in.
July61.5 °F83.8 °F3.77 in.
August59.7 °F82.1 °F3.92 in.
September51.5 °F75.0 °F4.09 in.
October39.8 °F62.4 °F4.95 in.
November30.2 °F50.5 °F3.93 in.
December21.5 °F39.9 °F4.52 in.
Annual38.2 °F59.6 °F48.95 in.

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