Plainfield New Hampshire Climate Data

Monthly Average Climate Data for Plainfield New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January8.8 °F29.0 °F2.79 in.
February10.1 °F32.6 °F2.45 in.
March19.5 °F41.1 °F2.95 in.
April31.7 °F55.1 °F3.35 in.
May43.4 °F67.7 °F3.39 in.
June52.6 °F75.9 °F4.13 in.
July57.8 °F81.2 °F4.29 in.
August56.0 °F79.5 °F3.44 in.
September48.6 °F72.5 °F3.38 in.
October37.0 °F58.3 °F4.52 in.
November27.5 °F46.1 °F3.11 in.
December17.5 °F34.4 °F3.54 in.
Annual34.2 °F56.1 °F41.34 in.

Climate Data for Plainfield 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 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year