Sunapee New Hampshire Climate Data

Monthly Average Climate Data for Sunapee New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-12.9 °C-1.8 °C77.22 mm
February-12.2 °C-0.1 °C69.6 mm
March-7.3 °C4.2 °C83.31 mm
April-0.4 °C12.3 °C91.69 mm
May5.4 °C19.3 °C91.69 mm
June11 °C23.9 °C112.27 mm
July13.8 °C26.5 °C112.27 mm
August12.4 °C25.7 °C97.54 mm
September7.8 °C21.6 °C99.31 mm
October2.8 °C14.3 °C132.33 mm
November-2.8 °C7.4 °C91.19 mm
December-7.6 °C1.4 °C98.81 mm
Annual0.8 °C12.9 °C1157.23 mm

Climate Data for Sunapee 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 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