New London New Hampshire Climate Data

Monthly Average Climate Data for New London New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.5 °F28.8 °F3.34 in.
February14.1 °F31.8 °F3.06 in.
March21.8 °F40.1 °F3.64 in.
April32.6 °F53.4 °F3.93 in.
May44.0 °F66.1 °F3.96 in.
June53.6 °F74.3 °F4.62 in.
July58.7 °F78.8 °F4.57 in.
August57.4 °F77.5 °F4.14 in.
September50.0 °F70.3 °F3.98 in.
October38.7 °F56.8 °F5.34 in.
November29.5 °F45.6 °F4.0 in.
December19.3 °F34.0 °F4.38 in.
Annual36 °F54.8 °F48.96 in.

Climate Data for New London New Hampshire

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 11 - Jun. 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year