Derry New Hampshire Climate Data

Monthly Average Climate Data for Derry New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-9.8 °C0.9 °C81.53 mm
February-8.9 °C2.5 °C82.04 mm
March-4.4 °C6.9 °C102.62 mm
April1.6 °C14.3 °C101.35 mm
May7.4 °C20.3 °C96.77 mm
June12.7 °C25.2 °C108.2 mm
July15.8 °C28.2 °C93.98 mm
August14.8 °C27.4 °C95.25 mm
September10.5 °C23.3 °C100.33 mm
October3.9 °C16.2 °C122.17 mm
November-1.2 °C9.9 °C97.54 mm
December-6.2 °C3.9 °C108.71 mm
Annual3 °C14.9 °C1190.49 mm

Climate Data for Derry 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 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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