Average temperatures, rainfall and packing tips for Seoul, South Korea in August
August in Seoul is typically hot, with average daytime highs around 31°C and nights near 24°C. It is usually the warmest month of the year in Seoul.
August is one of the wetter months in Seoul, with around 178 mm of rain - plan around showers.
If your dates are flexible, the most comfortable months in Seoul are usually April, May, June, July, September and October.
← Seoul weather tomorrow (live)
In August, Seoul averages a daytime high of about 31°C and a night-time low of around 24°C, based on recent historical data. That makes it the warmest month of the year there.
August is one of the wetter months in Seoul, with around 178 mm of rain - plan around showers.
August is a workable time to visit Seoul, with hot days - just pack accordingly. If your dates are flexible, the most comfortable months in Seoul are usually April, May, June, July, September and October.