Jeju-do (Jeju City)
December
Weather in Jeju-do for December 2025
Your guide to Jeju-do weather in December - trends and predictions
With an average of 3 snowy days, Jeju-do usually enjoys a light touch of snow in December.
In general, the average temperature in Jeju-do at the beginning of December is 11.1 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 8.6 °C by the end of December.
Jeju-do in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 54.4 mm.
Snow Forecast ❄️
Temperatures
Rain 🌧️
12
Dry days
16
Rainy days
3
Snow days
9°/5°
Temperatures
25 km/h
Avg max wind
69 %
Avg humidity
Jeju-do in December average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  9° | 2 11° | 3 11° | 4  11° | 5  11° | 6  13° | 7  12° |
| 8 12° | 9 14° | 10 15° | 11 12° | 12 10° | 13 11° | 14 9° |
| 15 11° | 16 8° | 17 7° | 18 6° | 19 6° | 20 9° | 21 9° |
| 22 8° | 23 8° | 24 8° | 25 7° | 26 8° | 27 9° | 28 9° |
| 29 10° | 30 9° | 31 8° |
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Temperatures trend during December in Jeju-do
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Patchy rain possible | 9° /5° | 1.7 mm | 0 cm | |
| 2 Dec. | Patchy rain possible | 11° /7° | 0.2 mm | 0 cm | |
| 3 Dec. | Patchy rain possible | 11° /7° | 0.3 mm | 0 cm | |
| 4 Dec. | Overcast | 11° /6° | 1 mm | 0 cm | |
| 5 Dec. | Sunny | 11° /6° | 0.2 mm | 0 cm | |
| 6 Dec. | Partly cloudy | 13° /7° | 0.1 mm | 0 cm | |
| 7 Dec. | Cloudy | 12° /7° | 0.6 mm | 0 cm | |
| 8 Dec. | Sunny | 12° /7° | 0.5 mm | 0 cm | |
| 9 Dec. | Overcast | 14° /9° | 0 mm | 0 cm | |
| 10 Dec. | Patchy rain possible | 15° /9° | 1.3 mm | 0 cm | |
| 11 Dec. | Patchy rain possible | 12° /9° | 3.5 mm | 0 cm | |
| 12 Dec. | Overcast | 10° /7° | 1.5 mm | 0 cm | |
| 13 Dec. | Overcast | 11° /7° | 0.9 mm | 0 cm | |
| 14 Dec. | Patchy rain possible | 9° /5° | 2.7 mm | 0 cm | |
| 15 Dec. | Patchy rain possible | 11° /5° | 1.5 mm | 0 cm | |
| 16 Dec. | Patchy rain possible | 8° /4° | 5.1 mm | 0 cm | |
| 17 Dec. | Patchy rain possible | 7° /2° | 3.2 mm | 0.3 cm | |
| 18 Dec. | Overcast | 6° /2° | 2.6 mm | 0.2 cm | |
| 19 Dec. | Overcast | 6° /3° | 0.6 mm | 0 cm | |
| 20 Dec. | Sunny | 9° /3° | 1.9 mm | 0 cm | |
| 21 Dec. | Overcast | 9° /4° | 5.2 mm | 0 cm | |
| 22 Dec. | Patchy rain possible | 8° /3° | 2.3 mm | 0 cm | |
| 23 Dec. | Overcast | 8° /3° | 1.1 mm | 0.2 cm | |
| 24 Dec. | Overcast | 8° /3° | 2.8 mm | 0 cm | |
| 25 Dec. | Overcast | 7° /3° | 0.3 mm | 0 cm | |
| 26 Dec. | Cloudy | 8° /2° | 0.7 mm | 0 cm | |
| 27 Dec. | Patchy rain possible | 9° /4° | 5.3 mm | 0 cm | |
| 28 Dec. | Patchy rain possible | 9° /5° | 0.6 mm | 0 cm | |
| 29 Dec. | Patchy rain possible | 10° /4° | 1.1 mm | 0 cm | |
| 30 Dec. | Patchy rain possible | 9° /3° | 1.2 mm | 0 cm | |
| 31 Dec. | Patchy rain possible | 8° /3° | 0.8 mm | 0 cm | |
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Important Notice
Our weather forecast for Jeju-do in December 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 December - FAQ
What are the expected maximum and minimum temperatures in Jeju-do during December?
During December, expect a variety of temperatures with highs around 9° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Jeju-do during December?
Moderate rainfall is anticipated in Jeju-do during December, with a total of 54.4 mm spread over approximately 16 days. Considering plans for rainy days is advisable.
Will it snow in Jeju-do in December 2025?
Jeju-do experiences an average snowfall of 0.91 cm during December, occurring over 3 days.
What are the typical wind conditions in Jeju-do during December?
The average wind speed in Jeju-do during December is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
Jeju-do snow forecast December 2025
Track daily snowfall levels and discover Jeju-do’s snowy potential this December ❄️
December rainfall patterns in Jeju-do
Explore the daily rainfall trends and prepare for Jeju-dos December weather 💧
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