Jeju City
January
Weather in Jeju City for January 2026
Your guide to Jeju City weather in January - trends and predictions
Snowfall in Jeju City during January is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Jeju City 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 City 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 City 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 City
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 City 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 City forecast closer to your planned date for the most up-to-date weather information.
Jeju City in January - FAQ
What are the expected maximum and minimum temperatures in Jeju City 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 City during January?
Moderate rainfall is anticipated in Jeju City 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 City in January 2026?
Jeju City typically sees 0.2175 cm of snowfall during January.
What are the typical wind conditions in Jeju City during January?
The average wind speed in Jeju City during January is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
Jeju City snow forecast January 2026
Track daily snowfall levels and discover Jeju City’s snowy potential this January ❄️
January rainfall patterns in Jeju City
Explore the daily rainfall trends and prepare for Jeju Citys January weather 💧
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