Westhampton Massachusetts Climate Data

Monthly Average Climate Data for Westhampton Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.9 °F32.1 °F3.56 in.
February14.1 °F34.9 °F3.31 in.
March22.5 °F43.2 °F4.05 in.
April33.4 °F56.7 °F4.16 in.
May44.3 °F68.3 °F4.08 in.
June53.6 °F76.5 °F4.65 in.
July58.9 °F81.7 °F4.3 in.
August56.9 °F79.9 °F4.4 in.
September49.2 °F72.8 °F4.83 in.
October38.2 °F60.4 °F5.24 in.
November28.5 °F48.2 °F3.93 in.
December19.7 °F37.3 °F4.54 in.
Annual36 °F57.7 °F51.05 in.

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 : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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