Month-by-month travel weather
Seoul May weather
Seoul, South Korea · May
Comfortable weather that makes your days longer
May often feels stable and low-humidity, making it easy to plan long walking itineraries across neighborhoods and riverside paths.
As sun strengthens, UV can affect fatigue on long outdoor blocks.
May averages at a glance
Average low
around 11–15°C
Average high
around 21–25°C
Average rainfall
around 60–110 mm
Wet days
about 6–8 days
What to wear in May in Seoul
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Short sleeves or light long sleeves with a thin layer works well.
- • Hat and sunscreen help on long outdoor routes.
Travel tips for visiting Seoul in May
- • Neighborhood walks can add up—shoes matter.
- • Evenings can still feel cool sometimes—thin layers stay useful.
May weather in Seoul — FAQ
Q. Is May hot?
A. Usually it feels comfortable, though sunny afternoons can feel warm. Light layers keep it flexible.
Q. Does fine dust still happen in May?
A. It can. Checking air quality helps adjust outdoor-heavy plans.
Explore Seoul
These pages are connected so you can compare conditions and decide for yourself.