Weather in Jeju City in December
Jeju City, South Korea averages a high of 10.2°C (50.4°F) and low of 6.3°C (43.3°F) in December, with 11 rain days and 5.8 hours of daily sunshine. Travel score: 54.2/100 (Mixed). The best time to visit Jeju City is October.
High
10°C50°F
Low
6°C43°F
🌧️
11
rain days
☀️
5.8
hrs/day sunshine
💧
70%
humidity
54— Mixed
December in Jeju City is cool 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 December?
Jeju City receives an average of 73.3mm of rainfall across 11 rainy days in December. The annual total is 1491.9mm.
What should I pack for Jeju City in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Warm coat
Cool weather with highs around 10°C
🧶
Sweaters and warm layers
Layer up for comfort
Traveling to South Korea in December?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31