West Chatham Massachusetts Climate Data

Monthly Average Climate Data for West Chatham Massachusetts

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.6 °C3.5 °C102.87 mm
February-3.2 °C3.8 °C96.77 mm
March-0.4 °C6.3 °C116.08 mm
April4.3 °C10.9 °C106.17 mm
May9.1 °C15.9 °C87.12 mm
June14.2 °C21.1 °C80.01 mm
July18.1 °C24.9 °C67.06 mm
August17.9 °C24.8 °C79.5 mm
September14.8 °C21.6 °C93.47 mm
October9.3 °C16.1 °C106.43 mm
November4.2 °C11.1 °C101.35 mm
December-0.2 °C6.7 °C118.11 mm
Annual7 °C13.9 °C1154.94 mm

Climate Data for West Chatham Massachusetts

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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