Chillicothe

What is the climate like in Chillicothe?

The best time to visit Chillicothe is typically August – September, with trip comfort peaking in September (7.4/10). Chillicothe is warmest in July, when daily highs average 85°F (29°C), and coolest in January, when lows fall to about 20°F (-6°C). The wettest month is typically May and the driest is November; the year sees roughly 40 in (1021 mm) of precipitation.

• Best time to visitAugust – September — comfort peaks in September (7.4/10)
• Warmest monthJuly — average high 85°F (29°C)
• Coolest monthJanuary — average low 20°F (-6°C)
• Wettest monthMay (4.9 in (125 mm))
• Driest monthNovember (2.1 in (53 mm))
• Annual precipitation40 in (1021 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromGeneral Wayne A Downing Intl A, 33 km away (1943-2026)