May in Hefei averages a daily high of 27.1°C with nights around 17.4°C. Expect roughly 8.6 wet days totalling 82.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Hefei is April–May.
Based on HEFEI, CH (4.5km), 1995–2024. 18 years of May data.