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June in Nagasaki averages a daily high of 26.6°C. Expect roughly 15 wet days totalling 332.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Nagasaki is April–May.
Based on NAGASAKI, JA (2.6km), 1995–2024. 23 years of June data.
See all twelve months for Nagasaki →