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Weather in Jeju City for December 2025

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

    Snow Forecast ❄️

  • With an average of 3 snowy days, Jeju City usually enjoys a light touch of snow in December.
    According to Jeju City snow forecast for December 2025, no snow is expected until the end of the month.

    • Temperatures

  • Until now, December 2025 in Jeju City has been nearly identical to the historical average, with a temperature of 11.7 °C (showing only a slight deviation of -0.1 °C).

  • The forecast for the next days in Jeju City predicts temperatures to be around 11 °C, close to the historical average.

  • In general, the average temperature in Jeju City at the beginning of December is 11.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 7.4 °C by the end of December.

    • Rain 🌧️

  • Jeju City 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 City 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
Sunny
9°
16
Partly cloudy
14°
17
Patchy rain possible
13°
18
Sunny
11°
19
Overcast
15°
20
Patchy rain possible
17°
21
Patchy rain possible
15°
22
Heavy rain
16°
23
Patchy rain possible
8°
24
Sunny
10°
25
Cloudy
7°
26
Patchy rain possible
8°
27
Patchy rain possible
5°
28
Patchy rain possible
5°
29
Patchy rain possible
10°
30
Patchy rain possible
9°
31
Patchy rain possible
8°

Temperatures trend during December in Jeju City

See the weather trend as well as the moving average line

December weather in Jeju City day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Patchy rain possible
Patchy rain possible
 10° /6° 1.4 mm 3
2 Dec. Patchy rain possible
Patchy rain possible
 11° /6° 0.1 mm 3
3 Dec. Patchy rain possible
Patchy rain possible
 10° /6° 0.9 mm 3
4 Dec. Patchy rain possible
Patchy rain possible
 11° /6° 0.9 mm 3
5 Dec. Sunny
Sunny
 11° /6° 0.2 mm 3
6 Dec. Patchy rain possible
Patchy rain possible
 13° /7° 0.1 mm 4
7 Dec. Cloudy
Cloudy
 13° /8° 0.5 mm 4
8 Dec. Sunny
Sunny
 12° /7° 0.4 mm 4
9 Dec. Overcast
Overcast
 13° /8° 0 mm 3
10 Dec. Patchy rain possible
Patchy rain possible
 14° /8° 1 mm 4
11 Dec. Patchy rain possible
Patchy rain possible
 13° /8° 3.4 mm 3
12 Dec. Overcast
Overcast
 11° /7° 1.2 mm 3
13 Dec. Overcast
Overcast
 11° /7° 2.1 mm 3
14 Dec. Patchy rain possible
Patchy rain possible
 9° /5° 2.7 mm 3
15 Dec. Sunny
Sunny
 9° /7° 0 mm 0.5
16 Dec. Partly cloudy
Partly cloudy
 14° /8° 0 mm 0.5
17 Dec. Patchy rain possible
Patchy rain possible
 13° /7° 1.8 mm 0.2
18 Dec. Sunny
Sunny
 11° /6° 0 mm 0.5
19 Dec. Overcast
Overcast
 15° /8° 0 mm 3
20 Dec. Patchy rain possible
Patchy rain possible
 17° /13° 0.2 mm 3
21 Dec. Patchy rain possible
Patchy rain possible
 15° /13° 0.6 mm 3
22 Dec. Heavy rain
Heavy rain
 16° /8° 20.9 mm 3
23 Dec. Patchy rain possible
Patchy rain possible
 8° /8° 0.4 mm 2
24 Dec. Sunny
Sunny
 10° /7° 0 mm 3
25 Dec. Cloudy
Cloudy
 7° /5° 0 mm 2
26 Dec. Patchy rain possible
Patchy rain possible
 8° /6° 0 mm 2
27 Dec. Patchy rain possible
Patchy rain possible
 5° /4° 1.4 mm 2
28 Dec. Patchy rain possible
Patchy rain possible
 5° /4° 0.2 mm 1
29 Dec. Patchy rain possible
Patchy rain possible
 10° /4° 1.1 mm 2
30 Dec. Patchy rain possible
Patchy rain possible
 9° /3° 1.2 mm 2
31 Dec. Patchy rain possible
Patchy rain possible
 8° /3° 0.8 mm 2
Next
Important Notice
Our weather forecast for Jeju City 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 City forecast closer to your planned date for the most up-to-date weather information.
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Jeju City in December - FAQ

What are the expected maximum and minimum temperatures in Jeju City 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 City during December?
Moderate rainfall is anticipated in Jeju City 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 City in December 2025?
Jeju City experiences an average snowfall of 0.728 cm during December, occurring over 3 days.
What are the typical wind conditions in Jeju City during December?
The average wind speed in Jeju City during December is 26 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Jeju City

Explore the daily rainfall trends and prepare for Jeju Citys December weather 💧
Typically, Jeju City has 16 rainy days in December with a total of 50.9 mm of rainfall.

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

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