Richmond Massachusetts Climate Data

Monthly Average Climate Data for Richmond Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.8 °F31.0 °F3.47 in.
February14.0 °F34.0 °F2.82 in.
March22.0 °F41.9 °F3.46 in.
April32.6 °F55.9 °F3.7 in.
May43.6 °F67.8 °F3.82 in.
June52.8 °F75.6 °F4.89 in.
July57.7 °F80.3 °F4.66 in.
August55.8 °F78.4 °F4.64 in.
September48.7 °F71.6 °F4.43 in.
October37.9 °F59.1 °F4.65 in.
November28.7 °F47.1 °F3.45 in.
December20.0 °F36.2 °F4.06 in.
Annual35.6 °F56.6 °F48.05 in.

Climate Data for Richmond Massachusetts

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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