Seoul weather
Ten-year climate averages, month by month
Seoul in august
Current month averages, based on ten years of records. Read the full guide →
Seoul sits at 37°33′N 126°58′E in South Korea, in Asia. Its climate profile is shaped by these coordinates — and the ten years of records below reveal exactly how each season feels on the ground.
Below, you'll find monthly averages for temperature, rainfall and sunshine, drawn from the Open-Meteo Archive. Every month links to a full guide with what to pack, where to stay, and when to arrive.
The year in weather
Seoul weather by month
Pick a month for the full climate guide — temperature, rainfall, sunshine, packing tips and hotel deals for Seoul.
Places that feel like Seoul in august
Seoul weather — FAQ
Q01When is the best time to visit Seoul?
When is the best time to visit Seoul?
The best months to visit Seoul are April, October. Ten-year daily records show these months hold the most stable mix of temperature, rainfall and sunshine.
Q02What is the hottest month in Seoul?
What is the hottest month in Seoul?
August runs the highest averages in Seoul, with typical daytime highs of 29°C (85°F). Plan around midday and consider accommodation with reliable cooling.
Q03What is the coldest month in Seoul?
What is the coldest month in Seoul?
January brings the lowest averages, with daytime highs near 2°C (35°F). Layer up and expect shorter daylight hours if you plan sightseeing.
Q04Which month has the most rain in Seoul?
Which month has the most rain in Seoul?
July typically records the highest monthly rainfall — around 312mm on average. Plan indoor alternatives and pack proper rain gear if visiting this month.
Q05What is the climate like in Seoul?
What is the climate like in Seoul?
Seoul, South Korea has warm summers, cold winters, a distinct rainy season. You can read the detailed month-by-month breakdown on this page.