East Merrimack New Hampshire Climate Data

Monthly Average Climate Data for East Merrimack New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.3 °C1.1 °C82.8 mm
February-9.4 °C2.8 °C80.26 mm
March-4.7 °C7.2 °C100.08 mm
April1.3 °C14.5 °C99.82 mm
May7.5 °C20.7 °C92.46 mm
June12.7 °C25.7 °C104.65 mm
July15.9 °C28.7 °C90.68 mm
August14.9 °C27.8 °C92.71 mm
September10.4 °C23.7 °C95.5 mm
October3.6 °C16.6 °C119.38 mm
November-1.7 °C9.9 °C95 mm
December-6.5 °C4.2 °C107.44 mm
Annual2.8 °C15.2 °C1160.78 mm

Climate Data for East Merrimack 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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