June in Sinan averages a daily high of 25.7°C with nights around 18.2°C. Expect roughly 9.6 wet days totalling 215.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Sinan is September–October.
Based on MOKPO, KS (25.1km), 1995–2024. 23 years of June data.