Lebanon New Hampshire Climate Data

Monthly Average Climate Data for Lebanon New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January9.0 °F28.9 °F2.77 in.
February10.2 °F32.5 °F2.43 in.
March19.7 °F41.2 °F3.16 in.
April31.8 °F55.4 °F3.26 in.
May43.4 °F68.1 °F3.44 in.
June52.6 °F76.3 °F4.17 in.
July57.8 °F81.4 °F4.29 in.
August55.9 °F79.7 °F3.6 in.
September48.5 °F72.6 °F3.48 in.
October37.1 °F58.6 °F4.36 in.
November27.6 °F46.0 °F3.14 in.
December17.4 °F34.4 °F3.45 in.
Annual34.3 °F56.3 °F41.55 in.

Climate Data for Lebanon 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 5a : -20°F to -15°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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