Jeju Island
Tours Tours Weather Forecast

Weather Forecast for Jeju Island

South Korea

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Sunny

Current Weather - Jeju Island: 3°C

South Korea

Sunny

Feels like 3°C

Wind

4 km/h NE

Humidity

65%

Pressure

1024 mb

UV Index

0

Visibility

10 km
Sunny

Sunny

Wednesday, January 14, 2026

High

9°C

Low

3°C

Rain Chance

0%

Hourly Forecast

Clear 3°C
00:00
Clear 3°C
01:00
Clear 3°C
02:00
Clear 3°C
03:00
Clear 3°C
04:00
Clear 3°C
05:00
Clear 3°C
06:00
Clear 3°C
07:00
Sunny 3°C
08:00
Sunny 5°C
09:00
Sunny 6°C
10:00
Sunny 7°C
11:00
Sunny 8°C
12:00
Sunny 9°C
13:00
Partly Cloudy 9°C
14:00
Sunny 9°C
15:00
Sunny 9°C
16:00
Sunny 8°C
17:00
Clear 7°C
18:00
Clear 8°C
19:00
Clear 8°C
20:00
Overcast 8°C
21:00
Partly Cloudy 8°C
22:00
Clear 8°C
23:00
Jan 15

Day Statistics

Maximum Wind

16 km/h

Humidity

62%

Precipitation

0 mm

UV Index

1

Visibility

10 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

07:39 AM

Sunset

05:48 PM

Moonrise

03:49 AM

Moonset

01:42 PM

Moon Phase

Waning Crescent

Moon Illumination

20%

Air Quality

PM2.5

13.2

μg/m³

PM10

20.3

μg/m³

NO₂

4

μg/m³

O₃

96.5

μg/m³

SO₂

4

μg/m³

CO

237.7

μg/m³

US EPA Index: 1 GB DEFRA Index: 2

Solar Radiation Data

Shortwave Radiation

0.68

Diffuse Radiation

0.31

DNI

0

GTI

0.3

Weather Alerts

HeavySnow Advisory

Mountainous areas of Jeju-do
Severity: Moderate Urgency: Immediate

(1) HeavySnow Advisory Announcement : 2026-01-10T22:30:00+09:00 " Snowfall is expected to be more than 5cm in 24 hours."

Event: HeavySnow Advisory Certainty: Observed Category: Met