Mid-autumn · Weather & things to do
Seoul in October
Seoul cools off: highs slip to 65°F (19°C), from 76°F in September, with lows of 49°F (10°C) and about 2.1 in (53 mm) of rain.
October opens the best stretch on our comfort score, at 94/100 (the top score of the year).
- Avg high
- 65°F (19°C)
- Avg low
- 49°F (10°C)
- Rain
- 2.1 in (53 mm)
- Humidity
- 75%
- Cloud cover
- 44%
- Daylight
- ~11 h 00 min
- Comfort score
- 94/100 · Great
What October feels like
Days are mild at around 65°F (19°C): comfortable for walking all day, with a layer for the evening.
After dark, temperatures fall to about 49°F (10°C).
About 2.1 in (53 mm) of rain falls in a typical year's October.
Plan around October
October is one of Seoul's best months on the climate data.
- The drier spell starts: rain falls to 2.1 in (53 mm) after 5.4 in (138 mm) in September.
- Opens the best-scoring stretch on our comfort score: May and October.
- Last of the best-scoring months: by November, the score drops to 70/100.
- Comfort improves from 73/100 in September to 94/100.
- October sits inside the Apr – Jun, Sep – Nov window our Seoul, Gyeongju & Busan route recommends.
What to pack for October
- A warm layer for eveningsnights drop to 49°F
- Comfortable walking shoesmost picks involve some walking
What to do in Seoul in October
With conditions on your side, the picks below favor time outside.
Bukhansan National Park
Granite peaks inside city limits; the Baegundae summit hike takes about 4 hours round trip.
Why now Our curated notes say it's best autumn morning.
Changdeokgung Secret Garden (Huwon)
Guided walks through a royal garden of ponds, pavilions and old trees behind Changdeokgung.
Why now Our curated notes say it's best autumn.
Euljiro Nogari Alley
Plastic tables, cheap beer and dried pollack snacks spill into the street each evening.
Why now October scores 94/100 for comfort, good conditions for being outside.
Gyeongbokgung Palace
The largest of Seoul's Joseon palaces, with a guard-changing ceremony at the main gate.
Bukchon Hanok Village
Hillside lanes of traditional tiled-roof homes between two palaces.
Nearby in October
- Gyeongju in October~172 mi · highs 68°F, 2.9 in rain · 1°C (2°F) warmer by day, wetter
- Busan in October~202 mi · highs 69°F, 3.2 in rain · 2°C (4°F) warmer by day, wetter
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Seoul in October: quick answers
Is October a good time to visit Seoul?
Yes. On the climate data it's one of the best months, scoring 94/100. Expect highs of 65°F (19°C) and 2.1 in (53 mm) of rain. October is inside the Apr – Jun, Sep – Nov window our Seoul, Gyeongju & Busan route recommends.
How hot is Seoul in October?
Average highs are 65°F (19°C) and average lows 49°F (10°C), making it the 6th-warmest month by daytime highs.
Does it rain a lot in Seoul in October?
Not much: about 2.1 in (53 mm) of rain falls across October on average, the 6th-driest month of the year. The annual total is about 48.9 in (1241 mm).
What should I pack for Seoul in October?
Bring a warm layer for evenings (nights drop to 49°F) and comfortable walking shoes (most picks involve some walking).
Routes in season in October
- Seoul, Gyeongju & Busan Apr – Jun, Sep – Nov
Planning Seoul in October?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.