April in Harbin averages a daily high of 14.3°C with nights around 2°C. Expect roughly 6 wet days totalling 21.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Harbin is August–September.
Based on HARBIN, CH (9.1km), 1995–2024. 25 years of April data.