Keene New Hampshire Climate Data

Monthly Average Climate Data for Keene New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-11.7 °C-0.6 °C80.26 mm
February-11.1 °C1.2 °C69.6 mm
March-6.1 °C5.8 °C83.06 mm
April0.2 °C13.3 °C86.11 mm
May6.3 °C20 °C95.76 mm
June11.7 °C24.7 °C107.7 mm
July14.5 °C27.6 °C113.28 mm
August13.5 °C26.7 °C106.68 mm
September9 °C22.7 °C104.65 mm
October2.6 °C15.6 °C123.7 mm
November-2.4 °C8.4 °C87.63 mm
December-7.7 °C2.3 °C98.04 mm
Annual1.6 °C14 °C1156.47 mm

Climate Data for Keene 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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