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December in Seto averages a daily high of 11.9°C. Expect roughly 6.4 wet days totalling 59.5mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Seto is April–May.
Based on NAGOYA, JA (14.2km), 1995–2024. 22 years of December data.
See all twelve months for Seto →