Climate almanac

East Hanover

New Jersey, United States · 40.82°, -74.36°

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What is the climate like in East Hanover?

The best time to visit East Hanover is typically June, the year's most comfortable month (6.6/10). East Hanover is warmest in July, when daily highs average 86°F (30°C), and coolest in January, when lows fall to about 28°F (-2°C). The wettest month is typically July and the driest is November; the year sees roughly 48 in (1218 mm) of precipitation.

  • Best time to visitJune — the year's comfort peak (6.6/10)
  • Warmest monthJuly — average high 86°F (30°C)
  • Coolest monthJanuary — average low 28°F (-2°C)
  • Wettest monthJuly (5.2 in (132 mm))
  • Driest monthNovember (3.1 in (79 mm))
  • Annual precipitation48 in (1218 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromBoonton 1 Se, 8 km away (1892-2026)