Walpole New Hampshire Climate Data

Monthly Average Climate Data for Walpole New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January10.9 °F30.8 °F3.08 in.
February12.2 °F34.1 °F2.48 in.
March21.2 °F42.3 °F3.26 in.
April32.6 °F55.4 °F3.29 in.
May43.9 °F67.8 °F3.64 in.
June53.4 °F76.5 °F4.17 in.
July58.6 °F81.7 °F4.1 in.
August56.6 °F80.3 °F4.0 in.
September48.8 °F73.0 °F4.04 in.
October37.1 °F59.7 °F4.78 in.
November28.2 °F47.3 °F3.46 in.
December18.6 °F35.8 °F3.7 in.
Annual35.2 °F57.1 °F44 in.

Climate Data for Walpole New Hampshire

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
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 ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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