Climate almanac

Swanzey

New Hampshire, United States · 42.87°, -72.28°

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What is the weather like in Swanzey in December?

In December, Swanzey is typically 37°F (3°C) during the day and 23°F (-5°C) at night. The month brings about 4.7 in (119 mm) of precipitation in total. Snowfall averages about 10 in (265 mm) over the month.

  • Average high37°F (3°C)
  • Average low23°F (-5°C)
  • Precipitation4.7 in (119 mm)
  • Clear or mostly clear days7
  • Snowfall10 in (265 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)