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August in Nikkō averages a daily high of 23.5°C. Expect roughly 18.1 wet days totalling 301.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Nikkō is June–September.
Based on NIKKO, JA (10.6km), 1995–2024. 23 years of August data.
See all twelve months for Nikkō →