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 April
SpringApril in Seoul is usually cool by day and chilly at night, with 2016–2025 average highs around 18°C (64°F) and lows near 6°C (43°F). The 10-year average shows around 7 rainy days and about 64 mm of monthly precipitation, so rain is relatively limited.
Avg high63.9°F 17.7°CAvg low43.5°F 6.4°CRainy days~6.7 daysMonthly rain64.1 mm
🧳 Packing guide
What to wear in Seoul in April
For what to wear in Seoul in April, bring layers, a sweater and a light-to-medium jacket. Heavy rain gear is usually unnecessary, although a small umbrella is an easy backup.
Travel takeaway: The month can be a practical time to visit when your packing matches the daytime-to-evening temperature change.
🗓️ 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 April · 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
⭐ April 2025 · latest complete year☔ 6 days · 103.4 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
15.1°C/1.4°C
No rain
2
13.4°C/2.8°C
No rain
3
15.4°C/1.4°C
No rain
4
14.4°C/4.6°C
No rain
5
9°C/5.4°C
🌧️ 14.4 mm
6
13.7°C/4.2°C
No rain
7
18.8°C/3.4°C
No rain
8
17.7°C/6.5°C
No rain
9
17°C/5.7°C
No rain
10
18.9°C/5.4°C
No rain
11
22.7°C/6.1°C
No rain
12
23.4°C/1.7°C
🌧️ 14.6 mm
13
6.9°C/1°C
🌧️ 9.7 mm
14
8.4°C/2°C
🌧️ 11.8 mm
15
12.8°C/0°C
No rain
16
20.4°C/4°C
No rain
17
23.2°C/11.7°C
No rain
18
21.3°C/12.8°C
No rain
19
17.9°C/10.5°C
🌧️ 22.4 mm
20
22°C/10°C
No rain
21
24.5°C/11.8°C
No rain
22
17.7°C/14.9°C
🌧️ 28.5 mm
23
21°C/9.2°C
No rain
24
17.7°C/8.6°C
No rain
25
16°C/5.8°C
No rain
26
16.7°C/5.7°C
No rain
27
17.1°C/8.2°C
No rain
28
18.9°C/7.8°C
No rain
29
18°C/6.7°C
No rain
30
23.4°C/8.5°C
No rain
April 2024☔ 4 days · 40.1 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
16.2°C/3.1°C
No rain
2
21.2°C/2.8°C
No rain
3
16.3°C/9.7°C
No rain
4
18.4°C/9.2°C
No rain
5
16.2°C/6.8°C
No rain
6
16.6°C/4.6°C
No rain
7
20.8°C/4.1°C
No rain
8
20.7°C/6.7°C
No rain
9
17.5°C/8°C
No rain
10
17.7°C/6.2°C
No rain
11
19.2°C/8.5°C
No rain
12
22.5°C/6.6°C
No rain
13
26.4°C/8.6°C
No rain
14
28.1°C/9.2°C
No rain
15
17.7°C/10.2°C
🌧️ 19.1 mm
16
15.7°C/7.3°C
No rain
17
20.9°C/6.8°C
No rain
18
23.5°C/8.4°C
No rain
19
21.4°C/7.1°C
No rain
20
15.2°C/11.9°C
🌧️ 5.7 mm
21
20.6°C/12.2°C
No rain
22
23.4°C/13.3°C
No rain
23
22.2°C/10.3°C
🌧️ 1.2 mm
24
17.4°C/9.5°C
🌧️ 12.1 mm
25
19.8°C/9.5°C
No rain
26
23.8°C/8.6°C
No rain
27
24.4°C/9.2°C
No rain
28
26.7°C/10.3°C
No rain
29
23.6°C/13.6°C
No rain
30
22.2°C/11.4°C
No rain
April 2023☔ 11 days · 103.7 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
24.3°C/5.2°C
No rain
2
23.1°C/9.4°C
No rain
3
24.5°C/7.8°C
No rain
4
20.7°C/11.6°C
🌧️ 8.6 mm
5
15.4°C/8.4°C
🌧️ 44.1 mm
6
10.8°C/6.9°C
🌧️ 3 mm
7
13.5°C/2.7°C
No rain
8
13.1°C/0.7°C
No rain
9
16°C/2.1°C
No rain
10
18°C/4.1°C
No rain
11
17.3°C/7.8°C
🌧️ 2.2 mm
12
13.6°C/0.7°C
No rain
13
17.4°C/2.4°C
No rain
14
20°C/7.6°C
No rain
15
13.6°C/7.5°C
🌧️ 5.5 mm
16
15.2°C/5.4°C
🌧️ 1 mm
17
15.6°C/3.3°C
No rain
18
18.8°C/9.3°C
🌧️ 20.2 mm
19
26.5°C/9.2°C
No rain
20
17.8°C/11.1°C
No rain
21
20.6°C/9.3°C
No rain
22
17.8°C/9.8°C
No rain
23
20.4°C/8.5°C
No rain
24
20°C/9.1°C
No rain
25
12.5°C/7.3°C
🌧️ 1.5 mm
26
13.9°C/5.5°C
No rain
27
18.6°C/3.8°C
No rain
28
20°C/6.4°C
🌧️ 2.8 mm
29
14.4°C/8.9°C
🌧️ 12.1 mm
30
17.2°C/6.4°C
🌧️ 1.2 mm
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.