Climate almanac

Pinckneyville

Illinois, United States · 38.08°, -89.38°

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What is the climate like in Pinckneyville?

The best time to visit Pinckneyville is typically August – October, with trip comfort peaking in September (7.3/10). Pinckneyville is warmest in July, when daily highs average 89°F (32°C), and coolest in January, when lows fall to about 28°F (-2°C). The wettest month is typically April and the driest is November; the year sees roughly 48 in (1225 mm) of precipitation.

  • Best time to visitAugust – October — comfort peaks in September (7.3/10)
  • Warmest monthJuly — average high 89°F (32°C)
  • Coolest monthJanuary — average low 28°F (-2°C)
  • Wettest monthApril (5.6 in (142 mm))
  • Driest monthNovember (2.9 in (73 mm))
  • Annual precipitation48 in (1225 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromDu Quoin 4 Se, 20 km away (1898-2026)