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Weather in Jeju-do for December 2025

Your guide to Jeju-do weather in December - trends and predictions

    Snow Forecast ❄️

  • With an average of 3 snowy days, Jeju-do usually enjoys a light touch of snow in December.
    According to Jeju-do snow forecast for December 2025, 1 snowy day is expected until the end of the month at Tuesday, 30 December.

    • Temperatures

  • Until now, December 2025 in Jeju-do has been nearly identical to the historical average, with a temperature of 11.4 °C (showing only a slight deviation of 0 °C).

  • Expect cooler weather in the next days in Jeju-do with the forecast suggesting a temperature of 9.3 °C, lower than the historical average.

  • In general, the average temperature in Jeju-do at the beginning of December is 11.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 6.4 °C by the end of December.

    • Rain 🌧️

  • Jeju-do in December brings notable rainfall, with an average of 16 rainy days and a total precipitation of 50.9 mm.

Average dry days
12
Dry days
Average rainy days
16
Rainy days
Average snowy days
3
Snow days
Average temperatures
9°/5°
Temperatures
Average wind speed
26 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Jeju-do Weather December

Move between months or click on a day
November
January
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
10°
2
Patchy rain possible
11°
3
Patchy rain possible
10°
4
Patchy rain possible
11°
5
Sunny
11°
6
Patchy rain possible
13°
7
Cloudy
13°
8
Sunny
12°
9
Overcast
13°
10
Patchy rain possible
14°
11
Patchy rain possible
13°
12
Overcast
11°
13
Overcast
11°
14
Patchy rain possible
9°
15
Patchy rain possible
11°
16
Patchy rain possible
9°
17
Patchy rain possible
7°
18
Sunny
11°
19
Patchy rain possible
17°
20
Patchy rain possible
18°
21
Patchy rain possible
8°
22
Moderate rain
10°
23
Patchy rain possible
11°
24
Partly cloudy
10°
25
Patchy rain possible
8°
26
Patchy rain possible
6°
27
Cloudy
9°
28
Patchy rain possible
7°
29
Patchy rain possible
3°
30
Patchy rain possible
6°
31
Patchy rain possible
6°

What’s the Weather Like in Jeju-do This December?

Discover the average temperatures and weather trends across Jeju-do’s cities this December.
Patchy rain possibleJeju City9 °C / 5 °CPatchy rain possibleJejudo10 °C / 6 °CPatchy rain possibleHallasan National Park9 °C / 6 °CMore Locations

Temperatures trend during December in Jeju-do

See the weather trend as well as the moving average line

December weather in Jeju-do day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
1 Dec. Patchy rain possible
Patchy rain possible
 10° /6° 1.4 mm 0 cm
2 Dec. Patchy rain possible
Patchy rain possible
 11° /6° 0.1 mm 0 cm
3 Dec. Patchy rain possible
Patchy rain possible
 10° /6° 0.9 mm 0 cm
4 Dec. Patchy rain possible
Patchy rain possible
 11° /6° 0.9 mm 0 cm
5 Dec. Sunny
Sunny
 11° /6° 0.2 mm 0 cm
6 Dec. Patchy rain possible
Patchy rain possible
 13° /7° 0.1 mm 0 cm
7 Dec. Cloudy
Cloudy
 13° /8° 0.5 mm 0 cm
8 Dec. Sunny
Sunny
 12° /7° 0.4 mm 0 cm
9 Dec. Overcast
Overcast
 13° /8° 0 mm 0 cm
10 Dec. Patchy rain possible
Patchy rain possible
 14° /8° 1 mm 0 cm
11 Dec. Patchy rain possible
Patchy rain possible
 13° /8° 3.4 mm 0 cm
12 Dec. Overcast
Overcast
 11° /7° 1.2 mm 0 cm
13 Dec. Overcast
Overcast
 11° /7° 2.1 mm 0 cm
14 Dec. Patchy rain possible
Patchy rain possible
 9° /5° 3 mm 0 cm
15 Dec. Patchy rain possible
Patchy rain possible
 11° /5° 1.3 mm 0 cm
16 Dec. Patchy rain possible
Patchy rain possible
 9° /4° 4.3 mm 0 cm
17 Dec. Patchy rain possible
Patchy rain possible
 7° /2° 3.2 mm 0.3 cm
18 Dec. Sunny
Sunny
 11° /6° 0 mm 0 cm
19 Dec. Patchy rain possible
Patchy rain possible
 17° /8° 0.4 mm 0 cm
20 Dec. Patchy rain possible
Patchy rain possible
 18° /11° 3 mm 0 cm
21 Dec. Patchy rain possible
Patchy rain possible
 8° /6° 1 mm 0 cm
22 Dec. Moderate rain
Moderate rain
 10° /8° 6.9 mm 0 cm
23 Dec. Patchy rain possible
Patchy rain possible
 11° /8° 0.1 mm 0 cm
24 Dec. Partly cloudy
Partly cloudy
 10° /7° 0 mm 0 cm
25 Dec. Patchy rain possible
Patchy rain possible
 8° /7° 0.2 mm 0 cm
26 Dec. Patchy rain possible
Patchy rain possible
 6° /5° 0.7 mm 0 cm
27 Dec. Cloudy
Cloudy
 9° /5° 0 mm 0 cm
28 Dec. Patchy rain possible
Patchy rain possible
 7° /2° 1.7 mm 0 cm
29 Dec. Patchy rain possible
Patchy rain possible
 3° /0° 1.5 mm 0 cm
30 Dec. Patchy rain possible
Patchy rain possible
 6° /3° 0.7 mm 0.2 cm
31 Dec. Patchy rain possible
Patchy rain possible
 6° /4° 0.8 mm 0 cm
Next
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.
Change Month
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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 50.9 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 0.728 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 26 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 ❄️
On average, Jeju-do sees 3 snowy days during December, with approximately 0.7 cm of total snowfall.

December rainfall patterns in Jeju-do

Explore the daily rainfall trends and prepare for Jeju-dos December weather 💧
Typically, Jeju-do has 16 rainy days in December with a total of 50.9 mm of rainfall.
Provinces in Jeju-do
Select a province for an accurate weather forecast
Jeju-siSeogwipo-si
Top locations in Jeju-do
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Hallasan National ParkJeju CityJejudo
More Locations

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Location coordinates Where is Jeju-do?

Get accurate weather forecasts for Jeju-do, located at latitude 33.51 and longitude 126.522. Stay updated with localized weather information tailored for Jeju-do.

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