West Swanzey New Hampshire Climate Data

Monthly Average Climate Data for West Swanzey New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.2 °F31.1 °F3.26 in.
February12.3 °F34.5 °F2.82 in.
March21.3 °F42.8 °F3.37 in.
April32.6 °F56.3 °F3.49 in.
May43.4 °F68.4 °F3.76 in.
June53.1 °F76.8 °F4.3 in.
July58.2 °F81.9 °F4.35 in.
August56.3 °F80.5 °F4.2 in.
September48.3 °F73.2 °F4.12 in.
October37.0 °F60.1 °F4.9 in.
November27.8 °F47.3 °F3.54 in.
December18.6 °F36.5 °F3.95 in.
Annual35 °F57.5 °F46.06 in.

Climate Data for West Swanzey New Hampshire

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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