Live Weather & Forecast
Weather in Jeju
Jeju-Si, South Korea · Real-time conditions & 3-day outlook
18°C
Feels like 18°C
64°F / Feels 64°F
Sunny
Jeju, Jeju-Si
🌞 Daytime
Updated: 2026-04-15 12:15
Humidity
64%
Wind
13 km/h WNW
Wind Gust
14.9 km/h
Pressure
1013 mb
Visibility
10 km
UV Index
9
(Very High)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
8.3°C
Wind Degree
303°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
221.8 μg/m³
NO₂
19.8 μg/m³
O₃
73 μg/m³
SO₂
9.2 μg/m³
PM 2.5
19.8 μg/m³
PM 10
27.9 μg/m³
Today's Hourly Forecast
24-hour breakdown for Jeju, Jeju-Si
12 AM
15°
Patchy rain nearby
1 AM
15°
Patchy rain nearby
2 AM
15°
Overcast
3 AM
15°
Patchy rain nearby
4 AM
15°
Overcast
5 AM
14°
Patchy rain nearby
6 AM
14°
Cloudy
7 AM
14°
Partly Cloudy
8 AM
15°
Partly Cloudy
9 AM
16°
Partly Cloudy
10 AM
16°
Sunny
11 AM
17°
Sunny
12 PM
18°
Sunny
1 PM
17°
Sunny
2 PM
18°
Sunny
3 PM
17°
Sunny
4 PM
17°
Sunny
5 PM
17°
Sunny
6 PM
17°
Sunny
7 PM
15°
Sunny
8 PM
14°
Clear
9 PM
15°
Clear
10 PM
14°
Clear
11 PM
14°
Clear
3-Day Forecast
Daily overview for Jeju, Jeju-Si
Today
Partly Cloudy
18°
/
14°
🌧️ 0% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 0.03 mm
☀️ UV Index: 2.2
🌅 Sunrise: 06:04 AM
🌇 Sunset: 07:05 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Sunny
17°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 68%
💨 Max wind: 33.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.2
🌅 Sunrise: 06:03 AM
🌇 Sunset: 07:05 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Moderate rain
16°
/
14°
🌧️ 86% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 19.1 km/h
🌧️ Total precip: 7.62 mm
☀️ UV Index: 0.3
🌅 Sunrise: 06:02 AM
🌇 Sunset: 07:06 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Jeju
Plan your trip to Jeju, South Korea around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Jeju?
Current conditions in Jeju: Sunny, temperature 18°C, humidity 64%.
What is the best time to visit Jeju?
The best time to visit Jeju is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Jeju?
Jeju is located at approximately 33.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Jeju?
The wettest period in Jeju is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Jeju?
For visits to Jeju during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Jeju in?
Jeju is located in South Korea, in the state of Jeju-Si.
What are the public holidays in Jeju in 2026?
View the 2026 public holidays for Jeju on our Holidays page.
What are the GPS coordinates used for the weather forecast in Jeju?
The weather forecast for Jeju uses coordinates 33.394, 126.5627.