Farmington New Hampshire Climate Data

Monthly Average Climate Data for Farmington New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.1 °C-0.2 °C86.61 mm
February-9.4 °C1.4 °C82.55 mm
March-4.7 °C5.8 °C100.08 mm
April1.1 °C13.2 °C102.11 mm
May7 °C19.4 °C94.23 mm
June12.3 °C24.6 °C110.74 mm
July15.4 °C27.5 °C103.12 mm
August14.6 °C26.8 °C96.01 mm
September10.3 °C22.6 °C97.79 mm
October4.1 °C15.6 °C124.46 mm
November-1.1 °C8.9 °C100.33 mm
December-6.2 °C2.9 °C112.01 mm
Annual2.8 °C14 °C1210.04 mm

Climate Data for Farmington New Hampshire

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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