Amherst New Hampshire Climate Data

Monthly Average Climate Data for Amherst New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.9 °F33.4 °F3.36 in.
February15.3 °F36.3 °F3.2 in.
March23.5 °F44.2 °F3.83 in.
April34.3 °F57.5 °F4.02 in.
May45.3 °F68.6 °F3.72 in.
June54.6 °F77.5 °F4.43 in.
July60.1 °F82.8 °F3.84 in.
August58.2 °F81.2 °F3.75 in.
September50.5 °F73.8 °F4.05 in.
October38.6 °F60.9 °F4.87 in.
November29.4 °F49.5 °F3.79 in.
December20.4 °F38.8 °F4.36 in.
Annual37 °F58.7 °F47.22 in.

Climate Data for Amherst New Hampshire

Average First Frost DateOct. 1 - Oct. 10
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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