April in Sinan averages a daily high of 17.2°C with nights around 8.1°C. Expect roughly 7.6 wet days totalling 67.6mm. 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. 21 years of April data.