Jaffrey New Hampshire Climate Data

Monthly Average Climate Data for Jaffrey New Hampshire

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-10.8 °C-0.6 °C92.2 mm
February-10 °C1.1 °C84.07 mm
March-5.8 °C5.4 °C103.89 mm
April0.5 °C12.8 °C99.57 mm
May6.4 °C19.2 °C100.33 mm
June11.6 °C24 °C114.55 mm
July14.6 °C26.8 °C109.98 mm
August13.7 °C25.9 °C102.62 mm
September9.5 °C21.8 °C101.09 mm
October3.4 °C14.7 °C133.6 mm
November-1.8 °C8.3 °C98.81 mm
December-7 °C2.4 °C111.25 mm
Annual2 °C13.5 °C1251.96 mm

Climate Data for Jaffrey New Hampshire

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateMay 21 - May 31
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 ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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