What to expect in Seoul in October
October is one of the best times to visit Seoul. Expect 19° / 8°, the biggest crowds of the year and premium prices.
Seoul weather in October
Typical conditions in Seoul during October, based on long-run climate normals rather than any single year. Treat it as a planning guide, not a forecast.
| Average high | 19°C 66°F |
|---|---|
| Average low | 8°C 46°F |
| Rainfall | Dry 15/100 |
| How it feels | Mild — layers weather |
Average highs sit around 19°C with lows near 8°C. It is one of the drier months — pack light.
Crowds & demand
Crowd levels are High for Seoul — the biggest crowds of the year.
Prices & value
Prices run high season this month: premium prices.
What to pack
Layers you can shed: 19°C by day and about 8°C after dark is a two-jacket kind of month. Rain gear is largely optional this month, which keeps your bag light.
What it costs
This is peak pricing for Seoul. Expect to pay a premium on flights and accommodation, and to book considerably further ahead than usual. Compared with the most expensive month of the year, you are looking at roughly 6% less.
Who this month suits
- Travellers who want the most reliable weather
- Visitors who want to catch a festival
Events & what’s on
Look out for Chuseok Harvest Festival while you’re there.
- Chuseok Harvest Festival — Korea's lunar harvest holiday empties the city as families travel to ancestral hometowns.
Seoul in October compared with nearby months
If your dates are flexible by a few weeks, this is what shifting them actually buys you.
| Month | Temp | Crowds | Price | Score |
|---|---|---|---|---|
| August | 31° / 23° | Low | $ | 62 |
| September | 26° / 15° | Moderate | $$ | 62 |
| October · This month | 19° / 8° | High | $$$ | 48 |
| November | 11° / 1° | Moderate | $$ | 49 |
| December | 3° / -6° | Low | $ | 55 |
These months score higher for Seoul on the same blend of weather, crowds and price. Same destination, better odds.
Or go somewhere else in October
If the destination is negotiable but the month is not, these places are at their best in October.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated August 2026
