April in Rock Hill averages a daily high of 23.8°C with nights around 10.2°C. Expect roughly 8.4 wet days totalling 97.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Rock Hill is April–May.
Based on WINTHROP UNIVERSITY, SC US (1.8km), 1995–2024. 24 years of April data.