April in Mount Pleasant averages a daily high of 23.9°C with nights around 13.8°C. Expect roughly 7 wet days totalling 81.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Mount Pleasant is March–May.
Based on SULLIVANS ISLAND, SC US (3.6km), 1995–2024. 26 years of April data.