Hopkinton Massachusetts Climate Data

Monthly Average Climate Data for Hopkinton Massachusetts

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.7 °F34.9 °F3.86 in.
February18.2 °F37.6 °F3.36 in.
March25.9 °F45.0 °F4.59 in.
April36.2 °F57.6 °F4.37 in.
May46.9 °F68.1 °F3.48 in.
June56.2 °F76.4 °F4.27 in.
July62.0 °F81.9 °F3.62 in.
August60.5 °F80.5 °F4.02 in.
September52.7 °F73.8 °F3.82 in.
October41.2 °F61.8 °F4.78 in.
November31.6 °F50.9 °F3.93 in.
December23.2 °F40.5 °F4.89 in.
Annual39.3 °F59.1 °F48.99 in.

Climate Data for Hopkinton Massachusetts

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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