Belmont New Hampshire Climate Data

Monthly Average Climate Data for Belmont New Hampshire

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January12.1 °F29.7 °F2.99 in.
February13.1 °F32.9 °F2.92 in.
March21.7 °F41.4 °F3.4 in.
April33.2 °F55.0 °F3.76 in.
May44.2 °F67.4 °F3.54 in.
June53.6 °F75.6 °F4.55 in.
July59.1 °F81.1 °F4.51 in.
August57.4 °F79.4 °F4.07 in.
September49.7 °F71.7 °F4.06 in.
October38.6 °F58.3 °F5.08 in.
November29.5 °F46.2 °F3.63 in.
December19.4 °F35.4 °F4.05 in.
Annual36 °F56.2 °F46.56 in.

Climate Data for Belmont New Hampshire

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost150-180 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°F
Plant Hardiness Zone - 2012Zone 5a : -20°F to -15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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