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December in Ōnojō averages a daily high of 12.8°C. Expect roughly 11 wet days totalling 72.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Ōnojō is April–May.
Based on FUKUOKA, JA (10.3km), 1995–2024. 21 years of December data.
See all twelve months for Ōnojō →