Southwick Massachusetts Climate Data

Monthly Average Climate Data for Southwick Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.5 °C1.3 °C90.42 mm
February-7.8 °C2.9 °C83.06 mm
March-3.2 °C7.6 °C105.92 mm
April2.8 °C15.1 °C108.71 mm
May8.7 °C21.3 °C96.77 mm
June13.8 °C25.8 °C122.68 mm
July16.8 °C28.7 °C109.47 mm
August15.7 °C27.7 °C108.46 mm
September11.4 °C23.6 °C120.14 mm
October5.2 °C16.8 °C137.92 mm
November-0.1 °C10.4 °C98.04 mm
December-4.9 °C4.3 °C121.41 mm
Annual4.2 °C15.5 °C1303 mm

Climate Data for Southwick Massachusetts

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
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 ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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