South Korea in October: where is it warmest?
In October, Busan is the warmest place with 21 °C by day, Sokcho the coolest with 18 °C. 8 of 9 destinations have good holiday weather.
All destinations in October, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
South Korea in October: quick answers
South Korea in October: where is it warmest?
The warmest places in October are Busan (21 °C), Jeju (21 °C) and Daegu (20 °C).
South Korea in October: where is the sea warmest?
The sea is warmest at Busan (22 °C), Jeju (22 °C) and Ulsan (22 °C).
South Korea in October: where is the weather best?
The best holiday weather in October – warm, sunny and dry – is in Busan, Daegu and Gwangju.
South Korea month by month
South Korea: weather & best time to visit
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