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December in Kōka averages a daily high of 11°C. Expect roughly 7.5 wet days totalling 48.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Kōka is April–June.
Based on UENO, JA (23.7km), 1995–2024. 27 years of December data.
See all twelve months for Kōka →