May in Kokubu-matsuki averages a daily high of 25.7°C. Expect roughly 11.6 wet days totalling 233mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Kokubu-matsuki is April–May.
Based on KAGOSHIMA, JA (28.9km), 1995–2024. 23 years of May data.