Climate almanac

McCordsville

Indiana, United States · 39.91°, -85.92°

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What is the climate like in McCordsville?

The best time to visit McCordsville is typically August – October, with trip comfort peaking in September (7.4/10). McCordsville is warmest in July, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 24°F (-5°C). The wettest month is typically May and the driest is September; the year sees roughly 43 in (1097 mm) of precipitation.

  • Best time to visitAugust – October — comfort peaks in September (7.4/10)
  • Warmest monthJuly — average high 84°F (29°C)
  • Coolest monthJanuary — average low 24°F (-5°C)
  • Wettest monthMay (4.9 in (123 mm))
  • Driest monthSeptember (2.7 in (70 mm))
  • Annual precipitation43 in (1097 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromGreenfield, 19 km away (1903-2026)