Plymouth New Hampshire Climate Data

Monthly Average Climate Data for Plymouth New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.4 °C-1.7 °C80.01 mm
February-11.8 °C0.1 °C71.88 mm
March-6.6 °C4.9 °C84.84 mm
April-0.1 °C12.3 °C91.95 mm
May5.8 °C19.4 °C93.73 mm
June11 °C24.2 °C106.43 mm
July13.8 °C26.8 °C111.76 mm
August12.6 °C26 °C98.04 mm
September8.4 °C21.9 °C91.69 mm
October2.5 °C14.6 °C126.24 mm
November-2.4 °C7.5 °C96.77 mm
December-7.9 °C1.4 °C104.39 mm
Annual1.1 °C13.1 °C1157.73 mm

Climate Data for Plymouth New Hampshire

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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