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Jeju

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Jeju Weather and climate

Data source：Meteostat
Update date：2025-09

Jeju year round climate
  • Spring (March–May): Average 10.8–18.1°C, mild and comfortable climate with abundant rainfall, suitable for hiking and flower viewing. Common activities: Hiking, flower viewing, cycling. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 22.5–28.5°C, hot and humid, with more rainfall and occasional typhoons. Common activities: Beach activities, water sports, exploring volcanic terrain. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 14.4–25.3°C, pleasant climate with higher rainfall, especially in September. Common activities: Maple viewing, hiking, enjoying local cuisine. Recommended clothing: Comfortable jacket, long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average 6.6–8.2°C, cold and dry, with occasional snowfall. Common activities: Onsen bathing, visiting indoor attractions, enjoying warm food. Recommended clothing: Warm jacket, sweater, scarf, hat, gloves.
Jeju climatological average

Annual average temperature: approx. 17°C / Annual rainfall: approx. 1705 mm / Summer humidity: 70%–80% / Rainiest month: September

Jeju monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
6.6°C
99
February
7.3°C
97.5
March
10.8°C
114.9
April
14.9°C
121.6
May
18.1°C
148.8
June
22.5°C
215.7
July
27.6°C
207.3
August
28.5°C
109.5
September
25.3°C
225.8
October
19.2°C
87.8
November
14.4°C
201.5
December
8.2°C
76
Jeju weather for the next seven days
10/13
Monday
Patchy rain nearby
27.5°C/23.3°C
10/14
Tuesday
Patchy rain nearby
23.3°C/20.9°C
10/15
Wednesday
Heavy rain
24.4°C/21.4°C
10/16
Thursday
Moderate rain
24.1°C/21.8°C
10/17
Friday
Patchy rain nearby
24.4°C/20.8°C
10/18
Saturday
Patchy rain nearby
23.5°C/18.9°C
10/19
Sunday
Partly Cloudy
19.2°C/17°C

Jeju FAQ

What is the best time to visit?
Spring (March-May) and autumn (September-November) are the best times to visit. In spring, rapeseed flowers and cherry blossoms are in full bloom, and in autumn, you can expect endless miscanthus.
What are the must-visit attractions?
Must-visit attractions include Seongsan Ilchulbong Peak, Jungmun Tourist Complex, Jeju Folk Village, etc.