June in Huainan averages a daily high of 30.9°C with nights around 21.8°C. Expect roughly 8.8 wet days totalling 137.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Huainan is April–May.
Based on BENGBU, CH (49.9km), 1995–2024. 22 years of June data.