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December in Kai averages a daily high of 11.6°C. Expect roughly 4.9 wet days totalling 42.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Kai is April–May.
Based on KOFU, JA (4.1km), 1995–2024. 25 years of December data.
See all twelve months for Kai →