Climate almanac

Hammonton

New Jersey, United States · 39.64°, -74.80°

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What is the weather like in Hammonton in January?

In January, Hammonton is typically 44°F (6°C) during the day and 30°F (-1°C) at night. The month brings about 3.2 in (82 mm) of precipitation in total. Snowfall averages about 6.0 in (152 mm) over the month.

  • Average high44°F (6°C)
  • Average low30°F (-1°C)
  • Precipitation3.2 in (82 mm)
  • Clear or mostly clear days11
  • Snowfall6.0 in (152 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)