Sunderland Massachusetts Climate Data

Monthly Average Climate Data for Sunderland Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.4 °F31.5 °F3.46 in.
February13.9 °F34.5 °F3.15 in.
March22.3 °F42.9 °F3.8 in.
April33.3 °F56.1 °F3.99 in.
May44.3 °F67.5 °F3.75 in.
June53.7 °F76.2 °F4.91 in.
July59.1 °F81.7 °F4.26 in.
August57.2 °F79.9 °F4.76 in.
September49.5 °F72.7 °F4.8 in.
October38.4 °F59.3 °F5.0 in.
November28.7 °F47.5 °F3.63 in.
December19.4 °F36.8 °F4.2 in.
Annual36 °F57.2 °F49.71 in.

Climate Data for Sunderland Massachusetts

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 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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