Goffstown New Hampshire Climate Data

Monthly Average Climate Data for Goffstown New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.3 °F32.6 °F3.12 in.
February14.9 °F35.5 °F3.17 in.
March23.3 °F43.5 °F3.6 in.
April34.3 °F56.6 °F3.79 in.
May45.3 °F68.0 °F3.71 in.
June54.9 °F77.2 °F4.44 in.
July60.3 °F82.1 °F3.9 in.
August58.3 °F80.7 °F3.77 in.
September50.6 °F73.3 °F3.92 in.
October38.9 °F60.2 °F4.77 in.
November29.4 °F48.9 °F3.77 in.
December20.2 °F38.1 °F4.26 in.
Annual37 °F58.1 °F46.22 in.

Climate Data for Goffstown New Hampshire

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 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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