April in Kaiyuan averages a daily high of 27.8°C with nights around 17°C. Expect roughly 8.4 wet days totalling 53.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Kaiyuan is November–March.
Based on MENGZI, CH (35.9km), 1995–2024. 25 years of April data.