April 13 is generally a great time to visit Seoul. While there is a slight chance of rain (21%), showers are usually brief. Expect comfortable 17°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 13
"Mild & Comfortable. Expect average highs of 16.7°C. 21% chance of snow."
What to Wear in Seoul in April
Based on historical data for April 13, Seoul typically experiences temperatures between 5.3°C and 16.7°C. We recommend packing light jacket, long pants 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
- Light Jacket
- Long Pants
Average High
16.7°C
Daytime Peak
Average Low
5.3°C
Nighttime Low
Feels Like
16.7°C
🌤️ Feels accurate
Snow Chance
21%
Avg 0.8mm if it snows
Snowfall
0.1 cm
~21% chance
Pressure
1014.1 hPa
Medium volatility
Seoul Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 19:00
Type I-II
🔴 18 min to burn
Type III-IV
🟡 27 min to burn
Type V-VI
🟢 45 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
10.5°C
Pleasant
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
06:02
☀️ Noon
12:33
🌇 Sunset
19:05
⏱️ Daylight
13h 3m
Wind Speed
17.6 km/h
Gentle breeze
Sunshine
9.0 hrs
Direct Sun (Cloud-free)
Humidity
67%
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 13 averages 16.7°C with a 21% precipitation probability. Wedding/Outdoor Event Score: 83/100."
— 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 20
18.7°C • 22% rain
Score
92
April 18
18.5°C • 18% rain
Score
91
April 19
18.6°C • 22% rain
Score
91
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (April 13) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Seoul Worth Visiting on April 13?
Planning a trip to Seoul on April 13? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 16.7°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 13 recorded in the last 30 years saw temperatures hit 26.7°C in 2024, while the coldest dropped to 1.3°C in 2025.