Seoul Weather History
South Korea · Asia · Weather data 1976–today
Seoul sits 4182km from the equator, 33m above sea level. That combination gives it a climate with hot, wet summers and very cold, dry winters (Monsoon-influenced hot-summer humid continental climate). Its record high is 38.5°C, set 2025-07-29, its record low -24.9°C, set 1986-01-12.
Data through August 4, 2026.
Frequently asked questions about the weather in Seoul
What is the hottest temperature ever recorded in Seoul?
The highest temperature in this record for Seoul is 38.5°C, measured on 2025-07-29. That is a recorded daily value from Seoul's own series covering 1976 to 2025, not an estimate or a regional average.
What is the coldest temperature ever recorded in Seoul?
The lowest temperature in this record for Seoul is -24.9°C, measured on 1986-01-12. Together with the heat record above, that spans the full range this city has actually experienced across 1976 to 2025.
How much rain does Seoul get a year?
Seoul averages 1263mm of precipitation a year, spread across roughly 99 days with at least 1mm. That average is taken over 50 complete calendar years, so one exceptionally wet or dry year does not set the figure.
What was the wettest day on record in Seoul?
On 2006-07-16, 172.1mm fell on Seoul, the highest single-day total in this series. For scale, that is roughly 14% of what the city receives in an average full year, in one day.
How many hours of sunshine does Seoul get a year?
Seoul averages 3122 sunshine hours a year, which works out to about 8.6 hours a day across the whole year. Sunshine hours measure the time direct sunlight actually reaches the ground, not simply how long it is light.
How warm are summers and how cold are winters in Seoul?
Across the summer months Seoul averages a daytime high near 27.5°C, while winter nights average -5.9°C. The seasons here are set from Seoul's position relative to the equator rather than a fixed northern-hemisphere calendar.
What is the strongest wind recorded in Seoul?
The strongest wind speed recorded in Seoul is 51 km/h, on 2019-09-07. That is the daily maximum sustained wind rather than the peak gust, which typically runs higher still.
