Jeju-do (Jeju City)
January
Weather in Jeju-do for January 2026
Your guide to Jeju-do weather in January - trends and predictions
Snowfall in Jeju-do during January is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Jeju-do at the beginning of January is 8.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 7.4 °C by the end of January.
The climate of Jeju-do in January is notably wet, with an average of 15 rainy days, and a total of 67.4 mm of precipitation.
Snow Forecast ❄️
Temperatures
Rain 🌧️
15
Dry days
15
Rainy days
1
Snow days
8°/4°
Temperatures
26 km/h
Avg max wind
71 %
Avg humidity
Jeju-do Weather January
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  8° | 2  8° | 3  7° | 4  8° | |||
| 5 10° | 6 9° | 7  7° | 8  7° | 9 8° | 10 8° | 11 8° |
| 12 8° | 13 10° | 14 11° | 15 9° | 16 8° | 17 7° | 18 9° |
| 19 8° | 20 9° | 21 10° | 22  10° | 23 9° | 24 8° | 25 8° |
| 26 8° | 27 7° | 28 6° | 29 5° | 30 8° | 31 10° |
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Temperatures trend during January in Jeju-do
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. | Partly cloudy | 8° /3° | 0.1 mm | 0 cm | |
| 2 Jan. | Patchy rain possible | 8° /4° | 0.2 mm | 0 cm | |
| 3 Jan. | Cloudy | 7° /3° | 1.2 mm | 0 cm | |
| 4 Jan. | Overcast | 8° /3° | 0 mm | 0 cm | |
| 5 Jan. | Patchy rain possible | 10° /4° | 4 mm | 0 cm | |
| 6 Jan. | Patchy rain possible | 9° /4° | 0.6 mm | 0 cm | |
| 7 Jan. | Light freezing rain | 7° /2° | 1.2 mm | 0 cm | |
| 8 Jan. | Sunny | 7° /2° | 0.8 mm | 0 cm | |
| 9 Jan. | Patchy rain possible | 8° /3° | 2.3 mm | 0.2 cm | |
| 10 Jan. | Sunny | 8° /2° | 1.8 mm | 0.1 cm | |
| 11 Jan. | Patchy rain possible | 8° /3° | 1.2 mm | 0 cm | |
| 12 Jan. | Patchy rain possible | 8° /3° | 3.5 mm | 0.6 cm | |
| 13 Jan. | Patchy rain possible | 10° /5° | 8.7 mm | 0 cm | |
| 14 Jan. | Overcast | 11° /5° | 1 mm | 0 cm | |
| 15 Jan. | Patchy rain possible | 9° /4° | 1.2 mm | 0 cm | |
| 16 Jan. | Overcast | 8° /2° | 0.1 mm | 0 cm | |
| 17 Jan. | Patchy rain possible | 7° /3° | 0.2 mm | 0 cm | |
| 18 Jan. | Cloudy | 9° /3° | 1.2 mm | 0 cm | |
| 19 Jan. | Sunny | 8° /3° | 3 mm | 0 cm | |
| 20 Jan. | Sunny | 9° /4° | 4.1 mm | 0 cm | |
| 21 Jan. | Overcast | 10° /4° | 0.9 mm | 0 cm | |
| 22 Jan. | Moderate rain at times | 10° /5° | 4.1 mm | 0 cm | |
| 23 Jan. | Moderate or heavy rain shower | 9° /5° | 12.3 mm | 0 cm | |
| 24 Jan. | Cloudy | 8° /4° | 2.2 mm | 0 cm | |
| 25 Jan. | Patchy rain possible | 8° /4° | 0.5 mm | 0 cm | |
| 26 Jan. | Patchy rain possible | 8° /4° | 3 mm | 0 cm | |
| 27 Jan. | Patchy rain possible | 7° /2° | 2.2 mm | 0 cm | |
| 28 Jan. | Overcast | 6° /2° | 1.1 mm | 0 cm | |
| 29 Jan. | Overcast | 5° /1° | 0.2 mm | 0 cm | |
| 30 Jan. | Partly cloudy | 8° /2° | 0.2 mm | 0 cm | |
| 31 Jan. | Partly cloudy | 10° /4° | 0.8 mm | 0 cm | |
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Important Notice
Our weather forecast for Jeju-do in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Jeju-do forecast closer to your planned date for the most up-to-date weather information.
Jeju-do in January - FAQ
What are the expected maximum and minimum temperatures in Jeju-do during January?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 4°.
How much rainfall should be expected in Jeju-do during January?
Moderate rainfall is anticipated in Jeju-do during January, with a total of 67.4 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
Will it snow in Jeju-do in January 2026?
Jeju-do typically sees 0.2175 cm of snowfall during January.
What are the typical wind conditions in Jeju-do during January?
The average wind speed in Jeju-do during January is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
Jeju-do snow forecast January 2026
Track daily snowfall levels and discover Jeju-do’s snowy potential this January ❄️
January rainfall patterns in Jeju-do
Explore the daily rainfall trends and prepare for Jeju-dos January weather 💧
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