Jeju Weather in January

January in Jeju brings low temperatures around 9°C (48°F) during the day, dropping to 5°C (41°F) at night, with quite a bit of rainfall expected, averaging around 81 mm (3.2 in) for the month.

Rainfall in Jeju in January

Climate statistics over the past 30 years suggest around 13 days of rain, with 81 mm (3.2 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Jeju in January

January in Jeju brings low temperatures, with highs of 9°C (48°F) and nights around 5°C (41°F). January is part of the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. With overnight lows of 5°C (41°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. With moderate temperatures, January stands out as the chilliest month of the year.

Sunshine in Jeju in January

With limited sunshine this month, there are about 69 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Jeju. Our weather planner can help you explore destinations with more pleasant weather conditions.