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December in Ōami averages a daily high of 12.6°C. Expect roughly 6.5 wet days totalling 65.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Ōami is April–June.
Based on CHIBA, JA (21.7km), 1995–2024. 26 years of December data.
See all twelve months for Ōami →