Greenfield New Hampshire Climate Data

Monthly Average Climate Data for Greenfield New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.9 °C-0.6 °C89.92 mm
February-10.2 °C1.2 °C83.31 mm
March-5.8 °C5.6 °C102.62 mm
April0.3 °C13.2 °C99.57 mm
May6.3 °C19.3 °C98.04 mm
June11.6 °C24.2 °C111.76 mm
July14.5 °C27 °C104.9 mm
August13.4 °C26.1 °C103.38 mm
September9.2 °C22.1 °C106.43 mm
October3.2 °C14.9 °C132.33 mm
November-1.9 °C8.5 °C98.81 mm
December-7.2 °C2.6 °C111.51 mm
Annual1.9 °C13.7 °C1242.58 mm

Climate Data for Greenfield New Hampshire

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -26.1°C to -23.3°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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