Plaistow New Hampshire Climate Data

Monthly Average Climate Data for Plaistow New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.0 °F34.9 °F3.5 in.
February17.7 °F37.6 °F3.44 in.
March25.3 °F45.1 °F4.53 in.
April35.6 °F57.7 °F4.16 in.
May45.9 °F68.1 °F3.84 in.
June55.4 °F77.1 °F4.24 in.
July61.3 °F82.9 °F3.57 in.
August59.6 °F81.4 °F3.52 in.
September52.0 °F74.1 °F3.84 in.
October40.3 °F61.8 °F4.92 in.
November31.2 °F50.7 °F3.83 in.
December22.5 °F40.2 °F4.54 in.
Annual38.6 °F59.3 °F47.93 in.

Climate Data for Plaistow New Hampshire

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 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