Lyme New Hampshire Climate Data

Monthly Average Climate Data for Lyme New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-13.4 °C-3.5 °C73.66 mm
February-12.7 °C-1.9 °C62.48 mm
March-7.6 °C2.9 °C77.47 mm
April-0.4 °C10.6 °C89.15 mm
May5.7 °C17.8 °C95.25 mm
June11.1 °C22.1 °C105.92 mm
July13.7 °C24.8 °C115.32 mm
August12.8 °C24 °C103.89 mm
September8.7 °C20 °C100.58 mm
October2.6 °C12.7 °C122.17 mm
November-2.8 °C5.7 °C85.6 mm
December-9 °C-0.4 °C95.25 mm
Annual0.7 °C11.2 °C1126.74 mm

Climate Data for Lyme New Hampshire

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5a : -28.9°C to -26.1°C
Plant Hardiness Zone - 2012Zone 5a : -28.9°C to -26.1°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year