Weather in Seoul in October
October in Seoul is mild enough that walking is the default. This is a city-break month more than a sea-holiday month.
In South Korea, this is how Seoul actually wears October, not how a country centroid would. Compared with August and January, October sits in the middle of Seoul's year.
- Average temp
- 15°C
11–20°C
- Rainfall
- 49 mm
Not much rain
- Sunshine
- 6.5 h
hours per day
What to expect
Daytime
Mild afternoons in Seoul are the prize in October. You can eat outside on the good days. You still want something for the breeze.
This is walking weather. Shade is useful, not essential the way it is in the hot months. A long outdoor day is a reasonable plan.
Rain
Mixed skies in Seoul in October. Dry days and wet days share the month. Outdoor plans need a backup, not a cancellation policy.
Pack a shell you will actually carry. The monthly table is the place for totals. This is the feel: usable, interrupted.
Evening
Evenings are cooler. A layer helps after sunset.
What to pack
A layer for cooler evenings
Where to stay in Seoul
Dates are a starting point for October.
Travel guides for Seoul
What to read before you book.
Average weather in Seoul
TemperatureRainfall
Similar weather in October
Other destinations whose October averages sit close to this one.
Check another month
This is the month you are reading. Change either side to look at another.
FAQs about Seoul
Climate averages for Seoul, 1991–2020.
The best time to visit Seoul is between April and June, the most comfortable stretch of the year on these averages.
August is the hottest month, with an average around 27°C.
July is the wettest month, with about 422 mm of rain.
No. These are 1991–2020 climate normals from Meteostat, not a live forecast. Actual weather in any given week can differ.
