April 4 is generally a great time to visit Seoul. While there is a slight chance of rain (21%), showers are usually brief. Expect comfortable 15°C weather. You'll enjoy Seoul with reasonable crowd levels and competitive accommodation options.
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Essential Travel Info for Seoul
Currency
KRW
₩ South Korean won
Language
Korean
Driving
Right side
Connect
Internet cafes known asPC bang(PC 방) (pr...
Safety
High Safety
GPI: 1.779
Seoul Weather Forecast for April 4
"Mild & Comfortable. Expect average highs of 14.8°C. 21% chance of rain."
What to Wear in Seoul in April
Based on historical data for April 4, Seoul typically experiences temperatures between 3.9°C and 14.8°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (21% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Seoul
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
14.8°C
Daytime Peak
Average Low
3.9°C
Nighttime Low
Feels Like
14.7°C
🌤️ Feels accurate
Rain Chance
21%
Avg 1.1mm if it rains
Cloud Cover
51%
Overcast
Pressure
1017.1 hPa
Medium volatility
Seoul Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 95% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 17 min to burn
Type III-IV
🟡 26 min to burn
Type V-VI
🟢 43 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
8.5°C
Dry air
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in South Korea
Flight Traffic
Moderate
43/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~497
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Seoul
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:15
☀️ Noon
12:36
🌇 Sunset
18:57
⏱️ Daylight
12h 42m
Wind Speed
16.6 km/h
Gentle breeze
Sunshine
8.6 hrs
Direct Sun (Cloud-free)
Humidity
66%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Seoul
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Seoul
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Unhealthy for sensitive groups. Consider wearing a mask outdoors.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Seoul on April 4 averages 14.8°C with a 21% precipitation probability. Wedding/Outdoor Event Score: 87/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Seoul Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
April 1
14.9°C • 14% rain
Score
94
April 8
16.5°C • 12% rain
Score
89
April 5
14.9°C • 20% rain
Score
88
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (April 4) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Seoul Worth Visiting on April 4?
Planning a trip to Seoul on April 4? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 14.8°C with a 21% historical precipitation risk.
✈️ Travel Logistics: Approximately 497 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 10 vaccinations are recommended for South Korea, including COVID-19.
📊 Historical Extremes: The hottest April 4 recorded in the last 30 years saw temperatures hit 21°C in 2023, while the coldest dropped to 0.1°C in 2019.