Boscawen New Hampshire Climate Data

Monthly Average Climate Data for Boscawen New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.5 °F30.6 °F3.28 in.
February12.9 °F33.9 °F3.25 in.
March20.9 °F42.1 °F3.75 in.
April32.1 °F55.5 °F3.93 in.
May43.4 °F67.6 °F3.69 in.
June52.8 °F76.2 °F4.39 in.
July58.2 °F81.5 °F4.54 in.
August56.1 °F79.8 °F3.85 in.
September48.5 °F72.3 °F3.78 in.
October37.0 °F59.0 °F5.11 in.
November28.0 °F47.0 °F4.04 in.
December18.6 °F36.0 °F4.65 in.
Annual35 °F56.8 °F48.26 in.

Climate Data for Boscawen 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 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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