April in Niitsu-honchō averages a daily high of 16.2°C. Expect roughly 13.7 wet days totalling 103.4mm. 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. 22 years of April data.