What October feels like in Seoul
For Seoul, October is the heart of autumn. Mild afternoons make it easy to spend hours outdoors. After dark the temperature drops clearly: nights are cool. The air is fairly humid, though at these temperatures it rarely feels oppressive.
Rain in Seoul in October
Wet days are occasional rather than regular, about one day in 5. Rainy days are intense, averaging about 10.9 mm (0.4 in) — downpours rather than drizzle. Across the year Seoul averages about 12.8 mm per rainy day, so October is typical.
Daylight and sunshine in October
Mid-month, Seoul gets 11 h 18 min of daylight, from sunrise near 6:39 am to sunset near 5:56 pm. Evenings are drawing in — 1 h 12 min less daylight than mid-September. About 75% of daylight hours are sunny; in short, there are plenty of bright spells.
How October compares to the rest of the year
Ranked by average high, October comes out as the 6th warmest month in Seoul. Afternoons run 6.1°C (11°F) cooler than in September, with 70 mm less rain. Temperatures keep falling into November. The next month's average high: 11°C (51.8°F).
Who October suits
- Sightseeing: a good fit — the weather rarely gets in the way of a city walk.
- Parks & outdoor: a good fit — good conditions for sitting outside.
Tips for visiting Seoul in October
Versatile Layers
Mornings and evenings are cooler than midday, so dress in layers.
Rain Protection
A compact umbrella and a light waterproof jacket.
Sunglasses
Bright days make sunglasses worth packing.
Quick questions
How warm is Seoul in October?
Afternoons average 19°C (66.2°F) and nights about 9.5°C (49.1°F) — mild by most people's standards. It is the 6th warmest month of the year.
Does it rain a lot in Seoul in October?
Not especially. There are about 6 rainy days (65 mm), mostly moderate rain.
What should I wear in Seoul in October?
The numbers point to versatile layers, rain protection and sunglasses. Add a layer for after dark.
Is October or November better for visiting Seoul?
October, clearly: it ranks #1 of 12 among Seoul's months, against #6 for the other. November is cooler and has more rainy days.