October in Niitsu-honchō averages a daily high of 20.7°C. Expect roughly 14.9 wet days totalling 163.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Niitsu-honchō is May–June.
Based on NIIGATA, JA (14.5km), 1995–2024. 21 years of October data.