SEOUL · EARLY OCTOBER
Seoul weather in early October
Early October in Seoul is often comfortable during the day and cooler after sunset. Pack adjustable layers rather than relying on one monthly average.Quick answer: what should I wear?
Start with a short-sleeve or light long-sleeve base, long trousers and comfortable walking shoes. Carry a thin cardigan, overshirt or light jacket for mornings, evenings and windy riverside areas. Check the actual forecast close to departure before adding heavier outerwear.
Why the date matters
October changes noticeably from its first week to its last. A whole-month average can hide cooler nights and short warm periods, so this page treats early October as its own travel window and links to recent observations around your selected dates.
Rain and daily planning
Early autumn is generally outside Korea's main summer rain period, but rain is still possible. Use the planner's recorded-rain ratio as historical context, not a forecast, and keep one indoor alternative for a wet day.