Jeju Weather in December
South Korea · 30-year monthly averages
🤔 Fair time to visit
December in Jeju is chilly, with average daytime highs around 11°C (52°F) and nighttime lows near 6°C (42°F). Expect roughly 56mm of precipitation spread over about 8 rainy days, with little rainfall.
Avg high
11°C
52°F
Avg low
6°C
42°F
Rainfall
56mm
dry
Rainy days
8
days with ≥1mm
☀️ About 79 hours of sunshine over the month (~3h/day).
🎒 What to pack
- jacket or coat
- long-sleeve layers
December vs the rest of the year
FAQ
- How hot is Jeju in December?
- December in Jeju is chilly, with average daytime highs around 11°C (52°F) and nighttime lows near 6°C (42°F). Expect roughly 56mm of precipitation spread over about 8 rainy days, with little rainfall.
- Does it rain a lot in Jeju in December?
- Jeju sees around 56mm of precipitation in December on average — dry by global standards.
- Is December a good time to visit Jeju?
- December is a workable month to visit Jeju, but expect some weather trade-offs.