Climate almanac

Hammonton

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

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What is the climate like in Hammonton?

The best time to visit Hammonton is typically June, the year's most comfortable month (6.4/10). Hammonton is warmest in July, when daily highs average 87°F (31°C), and coolest in January, when lows fall to about 30°F (-1°C). The wettest month is typically July and the driest is November; the year sees roughly 48 in (1216 mm) of precipitation.

  • Best time to visitJune — the year's comfort peak (6.4/10)
  • Warmest monthJuly — average high 87°F (31°C)
  • Coolest monthJanuary — average low 30°F (-1°C)
  • Wettest monthJuly (5.8 in (147 mm))
  • Driest monthNovember (2.7 in (68 mm))
  • Annual precipitation48 in (1216 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromIndian Mills 2 W, 18 km away (1901-2026)