July in Niitsu-honchō averages a daily high of 28.9°C. Expect roughly 14.5 wet days totalling 250.1mm. 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. 19 years of July data.