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January in Busan averages a daily high of 8°C. Expect roughly 3 wet days totalling 37.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Busan is May.
Based on BUSAN, KS (0.3km), 1995–2024. 20 years of January data.
See all twelve months for Busan →