Weather in Jeju City in January
Jeju City, South Korea averages a high of 7.9°C (46.2°F) and low of 4.1°C (39.4°F) in January, with 12 rain days and 5.5 hours of daily sunshine. Travel score: 49.6/100 (Mixed). The best time to visit Jeju City is October.
High
8°C46°F
Low
4°C39°F
🌧️
12
rain days
☀️
5.5
hrs/day sunshine
💧
70%
humidity
50— Mixed
January in Jeju City is cold and occasionally wet — mixed conditions — plan indoor alternatives.
What are the average temperatures in Jeju City?
How much does it rain in Jeju City in January?
Jeju City receives an average of 80.2mm of rainfall across 12 rainy days in January. The annual total is 1491.9mm.
What should I pack for Jeju City in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 8°C
🧶
Sweaters and warm layers
Layer up for comfort
🧤
Warm gloves
Cold nights around 4°C
🧣
Warm scarf
Protect against cold winds
🎉Visiting South Korea in January?
Don't miss any public holidays — check before you book!
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How can I plan my trip to Jeju City?
What other cities are near Jeju City?
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What is the weather like in other months in Jeju City?
Data based on 1994–2024 averages · Last updated: 2024-12-31