Jaffrey New Hampshire Climate Data

Monthly Average Climate Data for Jaffrey New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.6 °F30.9 °F3.63 in.
February14.0 °F34.0 °F3.31 in.
March21.6 °F41.7 °F4.09 in.
April32.9 °F55.1 °F3.92 in.
May43.5 °F66.6 °F3.95 in.
June52.9 °F75.2 °F4.51 in.
July58.3 °F80.2 °F4.33 in.
August56.6 °F78.7 °F4.04 in.
September49.1 °F71.3 °F3.98 in.
October38.1 °F58.5 °F5.26 in.
November28.8 °F46.9 °F3.89 in.
December19.4 °F36.3 °F4.38 in.
Annual35.7 °F56.3 °F49.29 in.

Climate Data for Jaffrey New Hampshire

Average First Frost DateSep. 21 - Sep. 30
Average Last Frost DateJun. 1 - Jun. 10
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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