Korea Travel Weather helps visitors plan a trip to South Korea around the weather. It shows climate history, not forecasts.
Data
Korea Meteorological Administration (KMA) — daily observations from ASOS weather stations, 1996–2025
(Gyeongju from 2010). Published under the Korea Open Government License Type 1 (attribution).
Sea temperature — ERA5 reanalysis from the Copernicus Climate Change Service, daily mean at a point just offshore.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible
for any use that may be made of the information it contains (CC BY 4.0).
Method
High and low are the daily maximum and minimum temperatures, averaged for each month.
A rainy day is a day with 1 mm or more of rain.
Chance of rain for your dates is the share of rainy days within 3 days either side of each date over all years.
Trip rating starts at 100 and subtracts points for heat above 29°C, cold below 21°C (up to 40 points), days with 10 mm
or more of rain, many rainy days, heavy monthly rainfall and humid air (dew point above 20°C).
Weather varies from year to year. Always check a forecast a few days before you travel.