April in Cincinnati averages a daily high of 19.2°C with nights around 5.7°C. Expect roughly 12.4 wet days totalling 110.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Cincinnati is September–October.
Based on CINCINNATI MUNICIPAL AIRPORT LUNKEN FIELD, OH US (8.8km), 1995–2024. 30 years of April data.