Colrain Massachusetts Climate Data

Monthly Average Climate Data for Colrain Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.0 °F29.7 °F3.96 in.
February12.7 °F32.6 °F3.7 in.
March20.5 °F40.4 °F4.42 in.
April31.7 °F53.0 °F4.63 in.
May42.4 °F64.7 °F4.26 in.
June51.5 °F73.6 °F5.22 in.
July56.9 °F78.4 °F4.58 in.
August55.1 °F76.9 °F4.38 in.
September47.7 °F70.1 °F5.01 in.
October36.9 °F57.2 °F5.77 in.
November27.7 °F45.3 °F4.22 in.
December18.8 °F34.8 °F4.42 in.
Annual34.5 °F54.7 °F54.57 in.

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