November in Incheon averages a daily high of 12.1°C with nights around 3.5°C. Expect roughly 7 wet days totalling 50.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Incheon is May–June.
Based on INCHEON, KS (6.5km), 1995–2024. 17 years of November data.