Hopkinton New Hampshire Climate Data

Monthly Average Climate Data for Hopkinton New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.5 °F31.2 °F3.18 in.
February13.0 °F34.4 °F3.18 in.
March21.6 °F42.6 °F3.58 in.
April32.5 °F55.9 °F3.86 in.
May43.7 °F67.8 °F3.68 in.
June53.3 °F76.7 °F4.43 in.
July58.7 °F82.0 °F4.15 in.
August56.6 °F80.5 °F3.74 in.
September49.0 °F72.9 °F3.93 in.
October37.3 °F59.6 °F5.0 in.
November28.2 °F47.7 °F3.83 in.
December18.8 °F37.0 °F4.42 in.
Annual35.4 °F57.4 °F46.98 in.

Climate Data for Hopkinton New Hampshire

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 ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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