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 January
Midwinter · Cold wave riskFor Seoul, January typically brings freezing or near-freezing daytime weather and very cold nights: the 10-year average high is about 2°C (35°F), while the average low is -7°C (20°F). Measurable precipitation occurs on about 3 days, totaling roughly 18 mm of water equivalent; in this season, much of it can fall as snow.
Avg high35.5°F 1.9°CAvg low20.0°F -6.6°CRainy days~3.1 daysMonthly rain18.0 mm
🧳 Packing guide
What to wear in Seoul in January
Packing for Seoul in January is easiest with layers: pack a winter coat, warm layers and cold-weather accessories. Water-resistant shoes are also useful when snow or slush is possible.
Travel takeaway: This is a good fit for travelers who enjoy winter scenery and are prepared for colder walking conditions.
🗓️ 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 January · 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
⭐ January 2025 · latest complete year☔ 4 days · 19.3 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
6.8°C/-3.4°C
No rain
2
4.2°C/-4.1°C
No rain
3
1.1°C/-5.5°C
No rain
4
2.8°C/-5.4°C
No rain
5
3.1°C/-1.7°C
🌧️ 7.1 mm
6
1.3°C/-5.2°C
🌧️ 3.1 mm
7
-0.1°C/-10°C
No rain
8
0.1°C/-6.8°C
No rain
9
-7.4°C/-12.4°C
No rain
10
-3.7°C/-12.4°C
No rain
11
-2.4°C/-10.1°C
No rain
12
1.1°C/-7.6°C
No rain
13
4°C/-5°C
No rain
14
5.3°C/-2.4°C
No rain
15
-2.5°C/-6.1°C
No rain
16
2.3°C/-5.1°C
No rain
17
3.2°C/-6.9°C
No rain
18
4.5°C/-4.2°C
No rain
19
6.2°C/-2.9°C
No rain
20
4.9°C/-1°C
No rain
21
5.1°C/-2.9°C
No rain
22
4.7°C/-2°C
No rain
23
4.5°C/-3.6°C
No rain
24
7.4°C/-3.2°C
No rain
25
7.9°C/-0.5°C
No rain
26
5.7°C/-0.8°C
No rain
27
1.8°C/-4.5°C
🌧️ 5.3 mm
28
-4.5°C/-6.3°C
No rain
29
-4.5°C/-9°C
No rain
30
-1.4°C/-8.8°C
No rain
31
-0.2°C/-3.9°C
🌧️ 2.1 mm
January 2024☔ 5 days · 17.3 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
6.7°C/-3.6°C
No rain
2
4°C/-1.7°C
No rain
3
3.1°C/-3.7°C
No rain
4
5.2°C/-5.6°C
No rain
5
8°C/-2°C
No rain
6
3.5°C/-6.3°C
No rain
7
-2.7°C/-9°C
No rain
8
-1.8°C/-10°C
No rain
9
1°C/-3.4°C
🌧️ 2.4 mm
10
3.7°C/-6.9°C
No rain
11
4.8°C/-6.1°C
No rain
12
3.3°C/-6.4°C
No rain
13
3.2°C/-6.6°C
No rain
14
3.4°C/-5.8°C
🌧️ 2.7 mm
15
0.6°C/-8.5°C
No rain
16
2.1°C/-8.6°C
No rain
17
1.1°C/-5.7°C
🌧️ 7.7 mm
18
9.8°C/-0.7°C
🌧️ 1 mm
19
7.4°C/0.9°C
No rain
20
4°C/0.4°C
🌧️ 2.2 mm
21
2.5°C/-3°C
No rain
22
-4.2°C/-12.4°C
No rain
23
-9°C/-15°C
No rain
24
-4.3°C/-12°C
No rain
25
-0.8°C/-9.2°C
No rain
26
3.1°C/-7.5°C
No rain
27
4.1°C/-7.3°C
No rain
28
1.5°C/-6.7°C
No rain
29
3.9°C/-6.5°C
No rain
30
6.3°C/-5.8°C
No rain
31
8.8°C/-3.8°C
No rain
January 2023☔ 6 days · 36.3 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
1.7°C/-5.9°C
No rain
2
-2°C/-8.6°C
No rain
3
-1.5°C/-9.2°C
No rain
4
1.6°C/-7.2°C
No rain
5
3.2°C/-7.3°C
No rain
6
4.7°C/-5.9°C
🌧️ 4.2 mm
7
3.9°C/-4.9°C
No rain
8
5.2°C/-6.5°C
No rain
9
5°C/-4.6°C
No rain
10
6.2°C/-6.4°C
No rain
11
6.4°C/-5.4°C
No rain
12
11.1°C/-3.2°C
No rain
13
9.9°C/3.1°C
🌧️ 18 mm
14
6.9°C/1.5°C
🌧️ 4.6 mm
15
1.9°C/-4.6°C
🌧️ 5 mm
16
-3.1°C/-9.4°C
No rain
17
-1.6°C/-8.8°C
No rain
18
1°C/-7.3°C
No rain
19
3.6°C/-8°C
🌧️ 1.3 mm
20
1.5°C/-10.1°C
No rain
21
-1.5°C/-12.1°C
No rain
22
2.6°C/-6.3°C
No rain
23
4.1°C/-8.1°C
No rain
24
-8.9°C/-18.4°C
No rain
25
-8.1°C/-18.5°C
No rain
26
-2°C/-10.3°C
🌧️ 1.1 mm
27
-5.1°C/-15.8°C
No rain
28
-2.5°C/-12.1°C
No rain
29
4°C/-9.6°C
No rain
30
2.4°C/-6.5°C
No rain
31
7.4°C/-5.7°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.
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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.