Experience the unique four-season charm of Seoul, South Korea. Spring (March-May) offers a blossoming spectacle with temperatures averaging 10°C (50°F), perfect for cherry blossom festivals. Summers (June-August) can be hot and humid, reaching highs of 30°C (86°F). Autumn (September-November) boasts crisp leaves and mild temperatures around 15°C (59°F). Winters (December-February), while chilly with lows near -5°C (23°F), offer a magical snowy landscape. A must-do in any season is hiking up Bukhansan Mountain for breathtaking city and mountain views.
Today's Forecast
5-Day Forecast
Seoul Climate & Weather Averages
Seoul is warmest in August, when daytime highs average 29°C, and coldest in January at around 2°C. The wettest month is July. The table below shows the monthly averages for Seoul, based on recorded data from 2015–2024.
| Month | Avg High | Avg Low | Rainfall |
|---|---|---|---|
| Jan | 2° | -7° | 18 mm |
| Feb | 5° | -5° | 26 mm |
| Mar | 11° | 0° | 40 mm |
| Apr | 18° | 6° | 64 mm |
| May | 23° | 12° | 106 mm |
| Jun | 27° | 17° | 121 mm |
| Jul | 29° | 22° | 310 mm |
| Aug | 29° | 22° | 260 mm |
| Sep | 25° | 17° | 131 mm |
| Oct | 19° | 9° | 76 mm |
| Nov | 11° | 2° | 59 mm |
| Dec | 3° | -5° | 26 mm |
Best time to visit: May–September offers the most comfortable conditions, with daytime highs around 25°C. Pack light, breathable layers and a light waterproof — Seoul sees rain year-round, peaking in July. For the coldest spell around January, bring a warm coat.
Source: Open-Meteo ERA5 archive. Averages computed from daily records.