October in Hakodate averages a daily high of 17.2°C. Expect roughly 11.7 wet days totalling 97.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Hakodate is June–September.
Based on HAKODATE, JA (4.7km), 1995–2024. 22 years of October data.