30YearWeather
Jeju Island, May 29
Jeju Island street view during May
Historical Weather Analysis

Jeju Island Weather on May 29 — Best Time to Visit?

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

clear-day

22.1°C

High

16.8°C

Low

20%

Rain

☀️ Feels like 22.5°C

partly-cloudy-day
YES, GOOD CHOICE

May 29 is generally a great time to visit Jeju Island. While there is a slight chance of rain (20%), showers are usually brief. Expect comfortable 22°C weather. You'll find plenty of company in Jeju Island this month as tourism activity remains quite robust.

Currency

KRW

South Korean won

Language

Korean

Driving

Right side

Safety

High Safety

GPI: 1.779

Jeju Island Weather Forecast for May 29

"Mild & Comfortable. Expect average highs of 22.1°C. 20% chance of rain."

What to Wear in Jeju Island in May

Based on historical data for May 29, Jeju Island typically experiences temperatures between 16.8°C and 22.1°C. We recommend packing t-shirt, light clothing 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

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

22.1°C

Daytime Peak

Average Low

extreme-cold

16.8°C

Nighttime Low

Feels Like

partly-cloudy-day

22.5°C

☀️ Feels accurate

Rain Chance

rain

20%

Avg 1.7mm if it rains

Cloud Cover

cloudy

65%

Overcast

Pressure

pressure

1010.6 hPa

Low volatility

Jeju Island Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

98%Highly Predictable

Based on 10 years of data

Temperature
±2.4°CStable
Precipitation
10-30%Predictable

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

Sun Exposure

UV Index & Safety Guide

5.1Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 19:00

Time to Sunburn

Type I-II

🔴 16 min to burn

Type III-IV

🟡 24 min to burn

Type V-VI

🟢 40 min to burn

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

Outdoor Comfort

How pleasant is it outside?

81Excellent
TemperatureWarm
HumidityMuggy
WindLight Breeze

Dew Point

17.9°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
18.9°C
🥃 Refreshing Tonic
Avg daily surface temperature
Surf Conditions
0.52m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

⚠️ Mixed Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in South Korea

Flight Traffic

Busy

65/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~160

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Jeju Island

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:27

☀️ Noon

12:32

🌇 Sunset

19:37

⏱️ Daylight

14h 10m

Golden Hour
Morning05:27 - 06:03
19:01 - 19:37Evening

Wind Speed

wind

13.3 km/h

Gentle breeze

Sunshine

clear-day

9.0 hrs

Direct Sun (Cloud-free)

Humidity

humidity

77%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Jeju Island

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 Jeju Island

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

84/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

85/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1010.6 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskMedium

Mild discomfort possible for arthritic conditions.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
41AQI
Good
PM2.5 Concentration21.8 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):1
In May (30y):0
💡 Very rare tremors. Standard travel precautions apply.
Very High

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 May 29 averages 22.1°C with a 20% precipitation probability. Wedding/Outdoor Event Score: 98/100."

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

Jeju Island Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2023
27.6°C
Coldest
2021
14.3°C
Rainiest
2016
11.9mm

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 (May 29) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Jeju Island Worth Visiting on May 29?

Planning a trip to Jeju Island on May 29? 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 22.1°C with a 20% historical precipitation risk.

✈️ Travel Logistics: Approximately 160 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 18.9°C (refreshing tonic). Wave conditions are generally fun waves with heights around 0.52m.

📊 Historical Extremes: The hottest May 29 recorded in the last 30 years saw temperatures hit 27.6°C in 2023, while the coldest dropped to 14.3°C in 2021.

Jeju Island Weather FAQ