Salem New Hampshire Climate Data

Monthly Average Climate Data for Salem New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.6 °F34.7 °F3.38 in.
February17.4 °F37.5 °F3.3 in.
March25.1 °F45.1 °F4.31 in.
April35.5 °F57.9 °F4.0 in.
May46.0 °F68.5 °F3.84 in.
June55.5 °F77.5 °F4.27 in.
July61.3 °F83.3 °F3.67 in.
August59.5 °F81.8 °F3.67 in.
September51.8 °F74.5 °F3.89 in.
October39.9 °F62.0 °F4.82 in.
November30.7 °F50.6 °F3.82 in.
December22.1 °F40.2 °F4.39 in.
Annual38.4 °F59.5 °F47.36 in.

Climate Data for Salem New Hampshire

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
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