Farmington New Hampshire Climate Data

Monthly Average Climate Data for Farmington New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.8 °F31.7 °F3.41 in.
February15.1 °F34.6 °F3.25 in.
March23.5 °F42.4 °F3.94 in.
April34.0 °F55.7 °F4.02 in.
May44.6 °F67.0 °F3.71 in.
June54.2 °F76.2 °F4.36 in.
July59.8 °F81.5 °F4.06 in.
August58.2 °F80.2 °F3.78 in.
September50.6 °F72.7 °F3.85 in.
October39.4 °F60.0 °F4.9 in.
November30.1 °F48.1 °F3.95 in.
December20.9 °F37.2 °F4.41 in.
Annual37 °F57.3 °F47.64 in.

Climate Data for Farmington 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 5a : -20°F to -15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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