City break

Seoul weather in October

Temperature, rain and sunshine in October: long-term averages from 30 years of weather data, not a forecast.

88

Holiday weather in October

Excellent

Best time to visit: April – June, September – October

What is the weather like in Seoul in October?

In October, Seoul is mild: daytime highs average 19 °C, and nights cool down to about 10 °C. The sun shines for around 7 hours a day. Rain falls on about 6 days, adding up to 56 mm. All in all, October is an excellent month for a holiday in Seoul.

October compared

How the weather changes from September to November. Tap a month to open it.

SeptemberSepOctoberOctNovemberNov
Score818845
Day25°19°11°
Night18°10°3°
Sun6 h7 h5 h
Rain days867

More details for October

Daylight
11 h 18 min06:39 – 17:56
UV index
5 · moderateclear sky, noon (estimate)All months
Muggy days
1 daydew point 18 °C or moreAll months
Wind
15 km/haverage daily peakAll months
Cloud cover
46 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+9Asia/Seoul

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %62 %
  • Few rainy daysweight 30 %86 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in October

  • Sunscreen
  • A jumper for the evenings

Seoul in October: quick answers

Is Seoul hot in October?

No. In October, Seoul is mild: daytime highs average 19 °C and nights drop to about 10 °C.

Does it rain much in Seoul in October?

Rain falls on about 6 days, adding up to 56 mm.

Seoul month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences