April in Minamiuonuma averages a daily high of 17.7°C. Expect roughly 14.1 wet days totalling 112.2mm. 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. 24 years of April data.