Webster New Hampshire Climate Data

Monthly Average Climate Data for Webster New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January11.3 °F30.4 °F3.33 in.
February12.6 °F33.6 °F3.28 in.
March20.7 °F41.9 °F3.81 in.
April31.9 °F55.3 °F3.96 in.
May43.1 °F67.4 °F3.71 in.
June52.5 °F76.0 °F4.43 in.
July57.9 °F81.2 °F4.62 in.
August55.8 °F79.5 °F3.89 in.
September48.2 °F72.1 °F3.83 in.
October36.9 °F58.7 °F5.15 in.
November27.9 °F46.7 °F4.09 in.
December18.4 °F35.8 °F4.73 in.
Annual34.8 °F56.6 °F48.83 in.

Climate Data for Webster 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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