Seoul October weather
Seoul, South Korea · October
Mild days with cooler evenings
October often feels crisp with lower humidity, making it one of the easiest months for long walking itineraries.
After sunset it can cool down, so a light outer layer helps for night plans.
October averages at a glance
Average low
around 10–13°C
Average high
around 19–23°C
Average rainfall
around 40–80 mm
Wet days
about 4–6 days
What to wear in October in Seoul
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Long sleeves/shirts with a light jacket is common.
- • Comfortable shoes matter because you may walk more than planned.
Travel tips for visiting Seoul in October
- • Comfortable weather can stretch your day—plan short rests to keep energy stable.
- • River breeze can cool evenings; thin outerwear helps.
October weather in Seoul — FAQ
Q. Can I wear short sleeves in October?
A. Sometimes at midday, but evenings can feel cool. Short sleeves plus a thin layer is safer.
Q. Does it rain often in October?
A. Less than summer/monsoon, but rain still happens. It can shift comfort quickly.
Explore Seoul
These pages are connected so you can compare conditions and decide for yourself.