West Chatham Massachusetts Climate Data

Monthly Average Climate Data for West Chatham Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.5 °F38.3 °F4.05 in.
February26.3 °F38.9 °F3.81 in.
March31.3 °F43.4 °F4.57 in.
April39.7 °F51.6 °F4.18 in.
May48.4 °F60.7 °F3.43 in.
June57.6 °F69.9 °F3.15 in.
July64.6 °F76.9 °F2.64 in.
August64.2 °F76.6 °F3.13 in.
September58.6 °F70.9 °F3.68 in.
October48.7 °F60.9 °F4.19 in.
November39.6 °F51.9 °F3.99 in.
December31.6 °F44.1 °F4.65 in.
Annual44.7 °F57 °F45.47 in.

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 : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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