Seoul weather in May
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Seoul May weather at a glance
In May, Seoul averages 16.6°C, with typical highs of 21.9°C and lows of 11.9°C. The historical average is 9 wet days and 72% humidity.
Seoul May temperature & humidity
Seoul May rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Seoul in May
T-shirts or long sleeves with one light outer layer should be comfortable.
- DaytimeLong sleeves and a light jacket · average high 21.9°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 11.9°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Seoul May sunrise & sunset times
2026 May · Local time (Asia/Seoul)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-05-01 | 05:37 | 19:22 | 13h 44m |
| 2026-05-15 | 05:23 | 19:34 | 14h 11m |
| 2026-05-31 | 05:13 | 19:47 | 14h 34m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Seoul travel updates
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Today’s weather and forecast
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Best months to visit Seoul
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
May weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Seoul weather like in May?
In May, Seoul averages 16.6°C, with typical highs of 21.9°C and lows of 11.9°C. The historical average is 9 wet days and 72% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Seoul in May?
There are about 9 wet days in May. A compact umbrella is still useful.
What should I wear in Seoul in May?
T-shirts or long sleeves with one light outer layer should be comfortable.
What are the best months to visit Seoul?
Recent weather data rates April, May, October, November among the more comfortable months.
Where can I check Seoul weather in May in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Seoul in May?
On 2026-05-15, calculated sunrise is 05:23 and sunset is 19:34 in local time (Asia/Seoul). Times vary by date and terrain.
Seoul weather by month
More South Korea destinations in May
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations