Plymouth New Hampshire Climate Data

Monthly Average Climate Data for Plymouth New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.6 °F29.0 °F3.15 in.
February10.7 °F32.1 °F2.83 in.
March20.1 °F40.8 °F3.34 in.
April31.9 °F54.2 °F3.62 in.
May42.4 °F67.0 °F3.69 in.
June51.8 °F75.6 °F4.19 in.
July56.8 °F80.3 °F4.4 in.
August54.7 °F78.8 °F3.86 in.
September47.2 °F71.5 °F3.61 in.
October36.5 °F58.2 °F4.97 in.
November27.6 °F45.5 °F3.81 in.
December17.8 °F34.5 °F4.11 in.
Annual33.9 °F55.6 °F45.58 in.

Climate Data for Plymouth New Hampshire

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness ZoneZone 5a : -20°F to -15°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year