Westhampton Massachusetts Climate Data

Monthly Average Climate Data for Westhampton Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.6 °C0.1 °C90.42 mm
February-9.9 °C1.6 °C84.07 mm
March-5.3 °C6.2 °C102.87 mm
April0.8 °C13.7 °C105.66 mm
May6.8 °C20.2 °C103.63 mm
June12 °C24.7 °C118.11 mm
July14.9 °C27.6 °C109.22 mm
August13.8 °C26.6 °C111.76 mm
September9.6 °C22.7 °C122.68 mm
October3.4 °C15.8 °C133.1 mm
November-1.9 °C9 °C99.82 mm
December-6.8 °C2.9 °C115.32 mm
Annual2.2 °C14.3 °C1296.66 mm

Climate Data for Westhampton Massachusetts

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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