East Merrimack New Hampshire Climate Data

Monthly Average Climate Data for East Merrimack New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.4 °F33.9 °F3.26 in.
February15.1 °F37.1 °F3.16 in.
March23.6 °F44.9 °F3.94 in.
April34.3 °F58.1 °F3.93 in.
May45.5 °F69.2 °F3.64 in.
June54.9 °F78.3 °F4.12 in.
July60.6 °F83.6 °F3.57 in.
August58.9 °F82.0 °F3.65 in.
September50.8 °F74.6 °F3.76 in.
October38.5 °F61.9 °F4.7 in.
November29.0 °F49.9 °F3.74 in.
December20.3 °F39.5 °F4.23 in.
Annual37.1 °F59.4 °F45.7 in.

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 : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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