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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Norwich Wire weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Based on the live forecast above, Seoul’s weather today reflects its continental climate: cold, dry winters and hot, humid summers. Temperatures shown are typical for the current season, with the mercury likely near the monthly average in degrees Celsius.
What does Seoul’s weather look like by month?
Seoul’s weather varies sharply by season. January is the coldest month, with average lows around -6°C, while August is the hottest, often exceeding 29°C. The monsoon season, known locally as *jangma*, brings heavy rain from late June to mid-July. For specific planning, check the 10-day weather forecast UK style for Seoul – though we cover UK cities, the same data principles apply. If you need Seoul weather by month, spring (April–May) and autumn (September–October) offer the most comfortable conditions, with mild temperatures and lower humidity.
How reliable are extended Seoul forecasts?
Seoul weather forecast 14 days and 15-day outlooks are less reliable than shorter windows due to the region’s dynamic air masses. For up-to-date planning, the live forecast above is ideal, alongside the 10-day outlook. For Korean-language updates, many locals use Seoul weather Naver, but our service sticks to clear, metric data. If you need Seoul weather forecast 30 days, treat it as a rough trend indicator only.
When is the best time to visit Seoul for mild weather?
Spring (March–May) and autumn (September–November) are best, with daytime highs of 15–25°C and low humidity. Avoid July’s monsoon unless you enjoy heavy rain.
Does Seoul get snow in December?
Yes, Seoul weather December typically includes light snow on 5–7 days. Average December highs are around 2°C and lows near -5°C, so pack layers and a warm coat.
How do I read the live forecast above?
The live forecast shows Seoul weather Celsius readings, usually updated hourly. Compare the current temperature, humidity and wind speed with the monthly averages provided here for context.
Sources
For more UK-focused weather content, visit our main weather hub or see Liverpool Weather if you’re comparing travel climates. We also offer 10-day forecasts for British cities.