30YearWeather
Seoul, March 15
Seoul street view during March
Historical Weather Analysis

Seoul Weather on March 15 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

partly-cloudy-day

11.1°C

High

0.1°C

Low

12%

Rain

❄️ Feels like 9.8°C (wind chill)

clear-day
YES, IT'S PARADISE

March 15 is statistically one of the best days of the year in Seoul. With minimal rain risk (12%) and pleasant highs of 11°C, it's ideal for outdoor adventures. Moderate travel demand makes this an excellent time for a balanced Seoul experience.

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 March 15

"Mild & Comfortable. Expect average highs of 11.1°C. 12% chance of rain."

What to Wear in Seoul in March

Based on historical data for March 15, Seoul typically experiences temperatures between 0.1°C and 11.1°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (12% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Seoul

View Guide

Smart Suitcase

  • Heavy Coat
  • Scarf
  • Gloves

Average High

extreme-hot

11.1°C

Daytime Peak

Average Low

extreme-cold

0.1°C

Nighttime Low

Feels Like

partly-cloudy-day

9.8°C

❄️ Minor difference

Rain Chance

rain

12%

Avg 0.5mm if it rains

Cloud Cover

cloudy

53%

Overcast

Pressure

pressure

1019.3 hPa

Medium volatility

Seoul Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

98%Highly Predictable

Based on 10 years of data

Temperature
±2.3°CStable
Precipitation
6-20%Predictable

🎯 This date historically delivers consistent weather 98% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

3Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

06:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 27 min to burn

Type III-IV

🟡 41 min to burn

Type V-VI

🟢 68 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

69Good
TemperatureCool
HumidityHumid
WindBreezy

Dew Point

5.2°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

47/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~542

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Seoul

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:45

☀️ Noon

12:42

🌇 Sunset

18:39

⏱️ Daylight

11h 54m

Golden Hour
Morning06:45 - 07:20
18:04 - 18:39Evening

Wind Speed

wind

16.8 km/h

Gentle breeze

Sunshine

clear-day

8.6 hrs

Direct Sun (Cloud-free)

Humidity

humidity

67%

Slightly humid

Travel Intelligence

Exclusive flight analytics & health data for Seoul

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Seoul

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

90/100

Tourist Crowds

🟢 Moderate

50/100

Price Level

💰💰 Moderate

60/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1019.3 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
136AQI
Unhealthy for Sensitive
PM2.5 Concentration35.9 µg/m³

Unhealthy for sensitive groups. Consider wearing a mask outdoors.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Seoul on March 15 averages 11.1°C with a 12% precipitation probability. Wedding/Outdoor Event Score: 74/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Seoul Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2025
15.3°C
Coldest
2017
-3.3°C
Rainiest
2018
10.1mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (March 15) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Seoul Worth Visiting on March 15?

Planning a trip to Seoul on March 15? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 11.1°C with a 12% historical precipitation risk.

✈️ Travel Logistics: Approximately 542 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 March 15 recorded in the last 30 years saw temperatures hit 15.3°C in 2025, while the coldest dropped to -3.3°C in 2017.

Seoul Weather FAQ