Harrisville New Hampshire Climate Data

Monthly Average Climate Data for Harrisville New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January14.2 °F29.3 °F3.85 in.
February16.6 °F32.8 °F3.66 in.
March23.1 °F40.1 °F4.23 in.
April35.0 °F54.8 °F3.85 in.
May44.2 °F66.0 °F4.0 in.
June56.3 °F74.4 °F4.57 in.
July62.1 °F79.1 °F4.98 in.
August57.0 °F77.5 °F4.48 in.
September49.3 °F70.1 °F4.28 in.
October42.5 °F57.6 °F5.5 in.
November31.2 °F45.6 °F4.14 in.
December23.0 °F35.1 °F4.73 in.
Annual37.9 °F55.2 °F52.27 in.

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 : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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