July in Minamiuonuma averages a daily high of 29.8°C. Expect roughly 15.5 wet days totalling 226.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Minamiuonuma is May–June.
Based on TAKADA, JA (55.4km), 1995–2024. 25 years of July data.