Climate almanac

Wilmington

Ohio, United States · 39.45°, -83.83°

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What is the climate like in Wilmington?

The best time to visit Wilmington is typically August – October, with trip comfort peaking in September (7.3/10). Wilmington is warmest in July, when daily highs average 84°F (29°C), and coolest in January, when lows fall to about 25°F (-4°C). The wettest month is typically May and the driest is September; the year sees roughly 46 in (1177 mm) of precipitation.

  • Best time to visitAugust – October — comfort peaks in September (7.3/10)
  • Warmest monthJuly — average high 84°F (29°C)
  • Coolest monthJanuary — average low 25°F (-4°C)
  • Wettest monthMay (4.9 in (123 mm))
  • Driest monthSeptember (2.9 in (73 mm))
  • Annual precipitation46 in (1177 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromCincinnati, 3 km away (1949-2026)