Climate almanac

Norcross

Georgia, United States · 33.94°, -84.21°

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What is the climate like in Norcross?

The best time to visit Norcross is typically September – October, with trip comfort peaking in October (7.0/10). Norcross is warmest in July, when daily highs average 88°F (31°C), and coolest in January, when lows fall to about 36°F (2°C). The wettest month is typically March and the driest is November; the year sees roughly 55 in (1404 mm) of precipitation.

  • Best time to visitSeptember – October — comfort peaks in October (7.0/10)
  • Warmest monthJuly — average high 88°F (31°C)
  • Coolest monthJanuary — average low 36°F (2°C)
  • Wettest monthMarch (5.4 in (138 mm))
  • Driest monthNovember (3.3 in (83 mm))
  • Annual precipitation55 in (1404 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromAtlanta Dekalb Peachtree AP, 10 km away (1998-2026)