Harrisville New Hampshire Climate Data

Monthly Average Climate Data for Harrisville New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.9 °C-1.5 °C97.79 mm
February-8.6 °C0.4 °C92.96 mm
March-4.9 °C4.5 °C107.44 mm
April1.7 °C12.7 °C97.79 mm
May6.8 °C18.9 °C101.6 mm
June13.5 °C23.6 °C116.08 mm
July16.7 °C26.2 °C126.49 mm
August13.9 °C25.3 °C113.79 mm
September9.6 °C21.2 °C108.71 mm
October5.8 °C14.2 °C139.7 mm
November-0.4 °C7.6 °C105.16 mm
December-5 °C1.7 °C120.14 mm
Annual3.3 °C12.9 °C1327.65 mm

Climate Data for Harrisville New Hampshire

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 11 - Jun. 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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