Salem New Hampshire Climate Data

Monthly Average Climate Data for Salem New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.1 °C1.5 °C85.85 mm
February-8.1 °C3.1 °C83.82 mm
March-3.8 °C7.3 °C109.47 mm
April1.9 °C14.4 °C101.6 mm
May7.8 °C20.3 °C97.54 mm
June13.1 °C25.3 °C108.46 mm
July16.3 °C28.5 °C93.22 mm
August15.3 °C27.7 °C93.22 mm
September11 °C23.6 °C98.81 mm
October4.4 °C16.7 °C122.43 mm
November-0.7 °C10.3 °C97.03 mm
December-5.5 °C4.6 °C111.51 mm
Annual3.6 °C15.3 °C1202.96 mm

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 : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year