Best Time to Visit Seoul, Seoul, South Korea
Month-by-month climate guide for planning a trip to Seoul.
Seoul does not have a month that clearly fits our sunny profiles. Its practical travel window centres on its warmest (August, 25.4°C / 77.7°F) and driest (January, 23 mm / 0.9 in) months. The drier stretch runs through October–April; the wetter half falls in May–September. At the city itself, monthly average temperatures range from -2.8°C / 27°F in January to 25.4°C / 77.7°F in August, with rainfall from 23 mm / 0.9 in (January) to 328 mm / 12.9 in (July). These are point-value climate normals sampled at Seoul, Seoul, Korea, Republic of's coordinates — usually more actionable for travellers than the country-wide average. Seoul's climate is broadly strongly continental. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| October | 13.9°C57°F | 53 mm2.1″ | — |
| May | 17.3°C63.1°F | 98 mm3.9″ | — |
| April | 11.9°C53.4°F | 79 mm3.1″ | — |
No month at Seoul matches our sunny profiles. The three above are the driest-and-warmest fallback.
Frequently asked questions
When is the best time to visit Seoul?
Seoul doesn't have a month that clearly matches our sunny profiles. The practical travel window centres on January (driest, ~23 mm / 0.9 in) and August (warmest, 25.4°C / 77.7°F). Because these are point values at the city, they can differ substantially from Korea, Republic of's national average.
When is the rainy season in Seoul?
The rainy season at Seoul, Seoul runs through May–September, when monthly rainfall exceeds the annual median of about 79 mm / 3.1 in. The wettest single month is July (328 mm / 12.9 in).
What is the driest month in Seoul?
The driest month in Seoul is January, averaging about 23 mm / 0.9 in of rainfall. Temperature that month averages -2.8°C / 27°F.
What months should I avoid visiting Seoul?
The least comfortable months for travel to Seoul — based on point-value climate at the city — are January, February, March, July, August, September, December. These are the wettest or coolest months at this location. Rainfall peaks at 328 mm / 12.9 in in July, and the coldest month averages -2.8°C / 27°F.
Is Seoul climate different from Korea, Republic of overall?
Yes, usually. Our Seoul figures are point-value climate normals sampled at the city itself, while our Korea, Republic of figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Seoul specifically — usually the more actionable data for a traveller planning to spend time in the city.