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Weather Forecast for Jeju

South Korea

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Partly cloudy

Current Weather - Jeju: 16°C

South Korea

Partly cloudy

Feels like 16°C

Wind

4 km/h SE

Humidity

94%

Pressure

1010 mb

UV Index

0

Visibility

6 km
Sunny

Sunny

Wednesday, May 13, 2026

High

21°C

Low

15°C

Rain Chance

0%

Hourly Forecast

Clear 17°C
00:00
Clear 16°C
01:00
Clear 16°C
02:00
Clear 16°C
03:00
Clear 15°C
04:00
Clear 15°C
05:00
Partly cloudy 16°C
06:00
Sunny 17°C
07:00
Sunny 18°C
08:00
Sunny 19°C
09:00
Sunny 20°C
10:00
Sunny 20°C
11:00
Sunny 20°C
12:00
Sunny 20°C
13:00
Sunny 21°C
14:00
Sunny 20°C
15:00
Sunny 20°C
16:00
Sunny 20°C
17:00
Sunny 20°C
18:00
Sunny 19°C
19:00
Clear 19°C
20:00
Clear 18°C
21:00
Clear 17°C
22:00
Clear 17°C
23:00
May 14

Day Statistics

Maximum Wind

9 km/h

Humidity

71%

Precipitation

0 mm

UV Index

9

Visibility

10 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

05:36 AM

Sunset

07:26 PM

Moonrise

02:56 AM

Moonset

03:29 PM

Moon Phase

Waning Crescent

Moon Illumination

19%

Air Quality

PM2.5

20.3

μg/m³

PM10

24

μg/m³

NO₂

12.8

μg/m³

O₃

113.4

μg/m³

SO₂

3.8

μg/m³

CO

227.7

μg/m³

US EPA Index: 2 GB DEFRA Index: 2

Solar Radiation Data

Shortwave Radiation

1.62

Diffuse Radiation

0.75

DNI

0

GTI

0.72

Weather Alerts

HeavyRain Advisory

South Hilly and Mountainous areas of Jeju-do
Severity: Moderate Urgency: Immediate

(1) HeavyRain Advisory Announcement : 2026-05-12T11:15:00+09:00 The precipitation for 3 hours is expected to be more than 60mm or the precipitation for 12 hours to be over 110mm.

Event: HeavyRain Advisory Certainty: Observed Category: Met