Jeju-si (Jeju City)
December
Weather in Jeju-si for December 2026
Your guide to Jeju-si weather in December - trends and predictions
With an average of 3 snowy days, Jeju-si usually enjoys a light touch of snow in December.
In general, the average temperature in Jeju-si at the beginning of December is 11.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.1 °C by the end of December.
Jeju-si in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 50.9 mm.
Snow Forecast ❄️
Temperatures
Rain 🌧️
12
Dry days
16
Rainy days
3
Snow days
9°/5°
Temperatures
26 km/h
Avg max wind
68 %
Avg humidity
Jeju-si Weather December
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Temperatures trend during December in Jeju-si
See the weather trend as well as the moving average line
December weather in Jeju-si day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Patchy rain possible | 10° /6° | 1.4 mm | 0 cm | |
| 2 Dec. | Patchy rain possible | 11° /6° | 0.1 mm | 0 cm | |
| 3 Dec. | Patchy rain possible | 10° /6° | 0.9 mm | 0 cm | |
| 4 Dec. | Patchy rain possible | 11° /6° | 0.9 mm | 0 cm | |
| 5 Dec. |  Sunny | 11° /6° | 0.2 mm | 0 cm | |
| 6 Dec. | Patchy rain possible | 13° /7° | 0.1 mm | 0 cm | |
| 7 Dec. |  Cloudy | 13° /8° | 0.5 mm | 0 cm | |
| 8 Dec. | Sunny | 12° /7° | 0.4 mm | 0 cm | |
| 9 Dec. |  Overcast | 13° /8° | 0 mm | 0 cm | |
| 10 Dec. | Patchy rain possible | 14° /8° | 1 mm | 0 cm | |
| 11 Dec. | Patchy rain possible | 13° /8° | 3.4 mm | 0 cm | |
| 12 Dec. | Overcast | 11° /7° | 1.2 mm | 0 cm | |
| 13 Dec. | Overcast | 11° /7° | 2.1 mm | 0 cm | |
| 14 Dec. | Patchy rain possible | 9° /5° | 3 mm | 0 cm | |
| 15 Dec. | Patchy rain possible | 11° /5° | 1.3 mm | 0 cm | |
| 16 Dec. | Patchy rain possible | 9° /4° | 4.3 mm | 0 cm | |
| 17 Dec. | Patchy rain possible | 8° /3° | 3 mm | 0.3 cm | |
| 18 Dec. | Overcast | 7° /2° | 2.2 mm | 0.2 cm | |
| 19 Dec. | Patchy rain possible | 8° /3° | 0.5 mm | 0 cm | |
| 20 Dec. | Patchy rain possible | 10° /4° | 1.7 mm | 0 cm | |
| 21 Dec. | Overcast | 9° /4° | 4.4 mm | 0 cm | |
| 22 Dec. | Cloudy | 8° /3° | 2 mm | 0 cm | |
| 23 Dec. | Overcast | 9° /4° | 1.3 mm | 0.2 cm | |
| 24 Dec. | Overcast | 9° /4° | 2.6 mm | 0 cm | |
| 25 Dec. | Overcast | 7° /3° | 0.2 mm | 0 cm | |
| 26 Dec. | Cloudy | 7° /2° | 0.7 mm | 0 cm | |
| 27 Dec. | Patchy rain possible | 8° /4° | 4.4 mm | 0 cm | |
| 28 Dec. | Patchy rain possible | 9° /5° | 0.5 mm | 0 cm | |
| 29 Dec. | Sunny | 10° /4° | 0.9 mm | 0 cm | |
| 30 Dec. | Overcast | 9° /3° | 1 mm | 0 cm | |
| 31 Dec. | Patchy rain possible | 7° /3° | 0.7 mm | 0 cm | |
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Important Notice
Our weather forecast for Jeju-si 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-si forecast closer to your planned date for the most up-to-date weather information.
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Jeju-si in December - FAQ
What are the expected maximum and minimum temperatures in Jeju-si 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-si during December?
Moderate rainfall is anticipated in Jeju-si during December, with a total of 50.9 mm spread over approximately 16 days. Considering plans for rainy days is advisable.
Will it snow in Jeju-si in December 2026?
Jeju-si experiences an average snowfall of 0.728 cm during December, occurring over 3 days.
What are the typical wind conditions in Jeju-si during December?
The average wind speed in Jeju-si during December is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
Jeju-si snow forecast December 2026
Track daily snowfall levels and discover Jeju-si’s snowy potential this December ❄️
On average, Jeju-si sees 3 snowy days during December, with approximately 0.7 cm of total snowfall.
December rainfall patterns in Jeju-si
Explore the daily rainfall trends and prepare for Jeju-sis December weather 💧
Typically, Jeju-si has 16 rainy days in December with a total of 50.9 mm of rainfall.
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