Climate almanac

Seymour

Indiana, United States · 38.96°, -85.89°

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What is the climate like in Seymour?

The best time to visit Seymour is typically August – October, with trip comfort peaking in September (7.2/10). Seymour is warmest in July, when daily highs average 87°F (30°C), and coolest in January, when lows fall to about 27°F (-3°C). The wettest month is typically March and the driest is October; the year sees roughly 49 in (1248 mm) of precipitation.

  • Best time to visitAugust – October — comfort peaks in September (7.2/10)
  • Warmest monthJuly — average high 87°F (30°C)
  • Coolest monthJanuary — average low 27°F (-3°C)
  • Wettest monthMarch (5.2 in (131 mm))
  • Driest monthOctober (2.9 in (75 mm))
  • Annual precipitation49 in (1248 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromSeymour 1 Wsw, 1 km away (1893-2024)