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June in Niihama averages a daily high of 27.3°C. Expect roughly 15.9 wet days totalling 383.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Niihama is April–May.
Based on KOCHI, JA (49.3km), 1995–2024. 23 years of June data.
See all twelve months for Niihama →