October in Hachinohe averages a daily high of 18.3°C. Expect roughly 10.3 wet days totalling 131.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Hachinohe is May–October.
Based on HACHINOHE, JA (3.9km), 1995–2024. 28 years of October data.