March in Cary averages a daily high of 17°C with nights around 4.7°C. Expect roughly 7.3 wet days totalling 100mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Cary is April–May.
Based on RALEIGH STATE UNIVERSITY, NC US (7.4km), 1995–2024. 30 years of March data.