Travel Weather Fairy🎊 Featured event
Seoul autumn festival season
📅 Around September–October
Riverfront and city events can overlap with fall foliage demand, making major sights and weekend transport busier.
Check official source →🇰🇷 South Korea · Seoul
Seoul Weather in October
AutumnIn Seoul, October averages about 19°C (65°F) during the day and 9°C (49°F) at night, so afternoons generally feel mild while evenings are chilly. The 10-year average shows around 7 rainy days and about 85 mm of monthly precipitation, so some wet days are normal.
Avg high65.4°F 18.6°CAvg low48.9°F 9.4°CRainy days~7.2 daysMonthly rain84.7 mm
🧳 Packing guide
What to wear in Seoul in October
A practical October packing list for Seoul starts here: long sleeves or a T-shirt with a light jacket make a practical combination. A compact umbrella is worth carrying for passing showers or wetter days.
Travel takeaway: For many travelers, these temperatures are comfortable for city sightseeing when you pack one flexible layer.
🗓️ Travel timing at a glance
Seoul: 12-month travel weather
Seoul has four distinct seasons, a summer monsoon, hot and humid July–August weather, and cold winters with occasional snow.
JanMidwinter · Cold wave riskFebWinter · Cold wave riskMarEarly springAprSpringMayLate springJunEarly summer · Rainy season beginsJulRainy season · Heat wave riskAugMidsummer · Heat wave riskSepEarly autumn · Typhoon riskOctAutumnNovLate autumnDecWinter · Cold wave risk
Monthly labels summarize typical climate patterns for trip planning. Always check the latest forecast and tropical-storm alerts before departure.
🎉 Trip planning check
Seoul 2026 events & busy periods
Check major events, holidays and periods that may affect crowds, transport or opening hours.
⚠️ Busy / closure period
Lunar New Year and Chuseok holidays
📅 Lunar-calendar dates · vary each year
Some restaurants and shops close while high-speed rail and road demand rises sharply during these major family holidays.
Check official source →Event dates, holiday schedules and opening hours can change. Recheck the linked official tourism or government source before departure.
Seoul in October · recent 3 years
Compare the most recent complete year with the two years before it. Daily high / low temperatures are shown in °F.
CalendarNo measurable rain🌧️ Rain⛈️ Thunderstorm❄️ SnowHigh / Low · °F
⭐ October 2025 · latest complete year☔ 14 days · 158.8 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
23.5°C/14.9°C
No rain
2
25°C/16.5°C
No rain
3
23.7°C/18.1°C
🌧️ 1.3 mm
4
23.3°C/19.3°C
No rain
5
22.1°C/19.1°C
🌧️ 5.6 mm
6
20°C/15.5°C
🌧️ 30.5 mm
7
20.7°C/15.8°C
🌧️ 16.9 mm
8
26.4°C/16.1°C
No rain
9
21.4°C/17.6°C
No rain
10
18.5°C/15.8°C
🌧️ 20.8 mm
11
24.5°C/16.8°C
🌧️ 17.7 mm
12
21.7°C/15.9°C
🌧️ 1.4 mm
13
17.9°C/13.3°C
🌧️ 25.2 mm
14
19.8°C/13.9°C
🌧️ 2.4 mm
15
24°C/15.6°C
🌧️ 9 mm
16
23.6°C/16.8°C
🌧️ 6.9 mm
17
23.1°C/14.8°C
🌧️ 5 mm
18
17.5°C/12.7°C
🌧️ 12.8 mm
19
18°C/8.4°C
No rain
20
14.7°C/5.2°C
No rain
21
13.8°C/4.3°C
No rain
22
17.7°C/5°C
No rain
23
18.6°C/10.7°C
No rain
24
19.3°C/11.1°C
No rain
25
16.7°C/10.5°C
No rain
26
14.5°C/10.4°C
No rain
27
9.7°C/2.4°C
No rain
28
11.5°C/1.4°C
No rain
29
15.3°C/4.6°C
No rain
30
16.3°C/5.7°C
No rain
31
18.1°C/9°C
🌧️ 1.2 mm
October 2024☔ 5 days · 75.5 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
20.2°C/12.2°C
🌧️ 5.8 mm
2
17.9°C/9.6°C
No rain
3
20.1°C/7.8°C
No rain
4
20.9°C/8.5°C
No rain
5
21.1°C/8.7°C
No rain
6
16.7°C/9°C
No rain
7
19.8°C/12.2°C
No rain
8
20.5°C/9.9°C
No rain
9
21.9°C/11.8°C
No rain
10
21°C/12.7°C
No rain
11
21.6°C/11.1°C
No rain
12
20.8°C/9.8°C
No rain
13
22.3°C/10°C
No rain
14
21.1°C/15.2°C
No rain
15
21.5°C/14.6°C
🌧️ 2.3 mm
16
21.2°C/12.6°C
No rain
17
23.2°C/10.3°C
No rain
18
18.5°C/15.2°C
🌧️ 41.1 mm
19
20.5°C/11.5°C
🌧️ 9.5 mm
20
16.8°C/9°C
No rain
21
17.2°C/7.7°C
No rain
22
16.6°C/12.9°C
🌧️ 13.7 mm
23
15°C/7.2°C
No rain
24
16.5°C/4.6°C
No rain
25
19.4°C/6.1°C
No rain
26
21.5°C/9.5°C
No rain
27
17.8°C/11.8°C
No rain
28
19.1°C/9.4°C
No rain
29
16.9°C/9.1°C
No rain
30
18.3°C/8.8°C
No rain
31
19.5°C/7.7°C
No rain
October 2023☔ 5 days · 25 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
21.3°C/12.1°C
No rain
2
22.1°C/11.9°C
No rain
3
20.9°C/11.8°C
No rain
4
21.5°C/11.9°C
🌧️ 1.2 mm
5
17.1°C/9.3°C
No rain
6
19°C/9.1°C
No rain
7
20.8°C/8.2°C
No rain
8
19.3°C/12.7°C
No rain
9
19.4°C/13.1°C
No rain
10
21.3°C/10.4°C
No rain
11
21.2°C/11.1°C
No rain
12
22.1°C/9.5°C
No rain
13
20°C/12.5°C
No rain
14
16.7°C/10.9°C
🌧️ 4.8 mm
15
19.5°C/10.8°C
No rain
16
17.1°C/7.8°C
No rain
17
17.7°C/7.8°C
No rain
18
19.3°C/6.8°C
No rain
19
18.4°C/13.5°C
🌧️ 8.1 mm
20
13.5°C/6.2°C
No rain
21
15.3°C/4°C
No rain
22
16.6°C/4°C
No rain
23
18°C/7.8°C
No rain
24
17.8°C/8.2°C
🌧️ 1.4 mm
25
20°C/9.2°C
No rain
26
19.6°C/10.7°C
🌧️ 7.8 mm
27
17.6°C/8.9°C
No rain
28
17.4°C/7.1°C
No rain
29
18.3°C/6.8°C
No rain
30
18.5°C/6.5°C
No rain
31
18.4°C/7.5°C
No rain
Historical calendars use Open-Meteo reanalysis data. A rainy day is counted when daily precipitation is at least 1 mm. Conditions at a specific hotel, beach or station can differ.
✈️ Traveling soon?
Current Seoul weather and 7-day forecast
When departure is close, the latest forecast matters more than long-term averages.
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Forecast data: MET Norway · CC BY 4.0 · cached by Travel Weather Fairy
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Seoul weather in other months
Switch months to compare the seasonal pattern.