March 11 is generally a great time to visit Jeju Island. While there is a slight chance of rain (20%), showers are usually brief. Expect comfortable 12°C weather. Expect a bustling atmosphere in Jeju Island right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Jeju Island
Currency
KRW
₩ South Korean won
Language
Korean
Driving
Right side
Safety
High Safety
GPI: 1.779
Jeju Island Weather Forecast for March 11
"Mild & Comfortable. Expect average highs of 12.1°C. 20% chance of snow."
What to Wear in Jeju Island in March
Based on historical data for March 11, Jeju Island typically experiences temperatures between 6.2°C and 12.1°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (20% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Jeju Island
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
12.1°C
Daytime Peak
Average Low
6.2°C
Nighttime Low
Feels Like
10.9°C
🌤️ Minor difference
Snow Chance
20%
Avg 1.6mm if it snows
Snowfall
0.1 cm
~20% chance
Pressure
1021 hPa
Medium volatility
Jeju Island Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 77% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 28 min to burn
Type III-IV
🟡 42 min to burn
Type V-VI
🟢 70 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
6.8°C
Dry air
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in South Korea
Flight Traffic
High
87/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~214
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Jeju Island
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:51
☀️ Noon
12:45
🌇 Sunset
18:39
⏱️ Daylight
11h 47m
Wind Speed
20.4 km/h
Moderate wind
Sunshine
7.8 hrs
Direct Sun (Cloud-free)
Humidity
70%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Jeju Island
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Jeju Island
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
High pressure may reduce activity.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
Typhoon Risk
Year-round risk present
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Jeju Island on March 11 averages 12.1°C with a 20% precipitation probability. Wedding/Outdoor Event Score: 80/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Jeju Island Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
March 15
12.7°C • 22% rain
Score
82
March 16
13°C • 26% rain
Score
82
March 13
12.5°C • 20% rain
Score
81
💡 Moving your event by a few days could significantly improve weather conditions
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📍 Is Jeju Island Worth Visiting on March 11?
Planning a trip to Jeju Island on March 11? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 12.1°C with a 20% historical precipitation risk.
✈️ Travel Logistics: Approximately 214 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 10 vaccinations are recommended for South Korea, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 13.8°C (polar plunge). Wave conditions are generally fun waves with heights around 0.89m.
📊 Historical Extremes: The hottest March 11 recorded in the last 30 years saw temperatures hit 19.1°C in 2022, while the coldest dropped to 2.3°C in 2018.