January in Gwangyang averages a daily high of 6.4°C. Rain is rare — about 0 wet days and 0mm across the month. Generally workable, with some weather to plan around.
Across the year, the best time to visit Gwangyang is April–June.
Based on YEOSU, KS (23.7km), 1995–2024. 22 years of January data.