October in Harbin averages a daily high of 13.1°C with nights around 1.6°C. Expect roughly 5.9 wet days totalling 24.3mm. 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. 24 years of October data.