Lyndeborough New Hampshire Climate Data

Monthly Average Climate Data for Lyndeborough New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.6 °C-0.4 °C91.44 mm
February-9.9 °C1.2 °C87.63 mm
March-5.7 °C5.7 °C104.39 mm
April0.4 °C13.2 °C104.65 mm
May6.6 °C19.4 °C101.6 mm
June11.8 °C24.3 °C107.44 mm
July14.7 °C27.1 °C103.89 mm
August13.7 °C26.2 °C103.89 mm
September9.6 °C22.2 °C105.66 mm
October3.4 °C14.9 °C134.37 mm
November-1.8 °C8.6 °C102.87 mm
December-7.1 °C2.6 °C113.79 mm
Annual2.1 °C13.8 °C1261.62 mm

Climate Data for Lyndeborough 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 6a : -23.3°C to -20.6°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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