Incheon May weather
Incheon, South Korea · May
Comfortable weather that makes days longer
May often feels stable and low-humidity, making it easy to plan long walking itineraries across parks, neighborhoods, and coastal areas.
Breezes can feel refreshing, but longer outdoor time raises UV and fatigue—shoes and sun protection matter.
May averages at a glance
Average low
around 11–15°C
Average high
around 20–24°C
Average rainfall
around 60–110 mm
Wet days
about 6–8 days
What to wear in May in Incheon
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 outer layer works well.
- • Hat and sunscreen help on long outdoor routes.
Travel tips for visiting Incheon in May
- • If you do island/coastal routes, wind and sun exposure can add up—carry a light layer.
- • Evenings can still feel cool sometimes—thin layers stay useful.
May weather in Incheon — FAQ
Q. Is May hot?
A. Usually it feels comfortable, though sunny afternoons can feel warm. Light layers keep it flexible.
Q. Does sea fog start in May?
A. It can be a variable on some days. Visibility can open and close quickly.
Explore Incheon
These pages are connected so you can compare conditions and decide for yourself.