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Weather in Incheon for December 2025

Your guide to Incheon weather in December - trends and predictions

    Snow Forecast ❄️

  • Incheon typically experiences moderate snowfall in December, with an average of 10 snowy days.
    According to Incheon snow forecast for December 2025, no snow is expected until the end of the month.

    • Temperatures

  • Until now, December 2025 in Incheon is slightly cooler than the historical average by -1.4 °C.

  • The forecast for the next days in Incheon predicts temperatures to be around 10 °C, close to the historical average.

  • In general, the average temperature in Incheon at the beginning of December is 9.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 5.6 °C by the end of December.

Average dry days
17
Dry days
Average rainy days
4
Rainy days
Average snowy days
10
Snow days
Average temperatures
8°/1°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Incheon Weather December

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

Temperatures trend during December in Incheon

See the weather trend as well as the moving average line

December weather in Incheon day by day

Click on a date for more information
November January
Date Weather Temperatures Rain UV More
1 Dec. Heavy snow
Heavy snow
 10° /2° 1 mm 3
2 Dec. Overcast
Overcast
 10° /1° 0 mm 3
3 Dec. Cloudy
Cloudy
 6° /0° 1.8 mm 2
4 Dec. Overcast
Overcast
 8° /-1° 0.1 mm 2
5 Dec. Overcast
Overcast
 9° /1° 0 mm 3
6 Dec. Light rain shower
Light rain shower
 11° /2° 0.3 mm 2
7 Dec. Sunny
Sunny
 11° /3° 2 mm 3
8 Dec. Sunny
Sunny
 11° /2° 0.1 mm 3
9 Dec. Patchy rain possible
Patchy rain possible
 12° /3° 0.1 mm 3
10 Dec. Patchy rain possible
Patchy rain possible
 13° /5° 0 mm 3
11 Dec. Moderate rain
Moderate rain
 12° /5° 3.5 mm 3
12 Dec. Overcast
Overcast
 10° /2° 0.2 mm 3
13 Dec. Partly cloudy
Partly cloudy
 10° /2° 3.6 mm 3
14 Dec. Light rain
Light rain
 9° /4° 5.4 mm 3
15 Dec. Partly cloudy
Partly cloudy
 9° /3° 0 mm 0.4
16 Dec. Partly cloudy
Partly cloudy
 12° /2° 0 mm 0.3
17 Dec. Patchy rain possible
Patchy rain possible
 11° /4° 2.2 mm 0.4
18 Dec. Sunny
Sunny
 11° /1° 0 mm 0.5
19 Dec. Partly cloudy
Partly cloudy
 16° /4° 0 mm 3
20 Dec. Partly cloudy
Partly cloudy
 17° /9° 0 mm 4
21 Dec. Partly cloudy
Partly cloudy
 14° /7° 0 mm 4
22 Dec. Moderate rain
Moderate rain
 12° /7° 9.8 mm 2
23 Dec. Patchy rain possible
Patchy rain possible
 7° /4° 0.3 mm 2
24 Dec. Partly cloudy
Partly cloudy
 9° /3° 0 mm 2
25 Dec. Partly cloudy
Partly cloudy
 6° /-1° 0 mm 2
26 Dec. Partly cloudy
Partly cloudy
 6° /0° 0 mm 2
27 Dec. Patchy rain possible
Patchy rain possible
 2° /0° 0.2 mm 1
28 Dec. Light freezing rain
Light freezing rain
 3° /-2° 0.1 mm 1
29 Dec. Sunny
Sunny
 7° /0° 0.1 mm 3
30 Dec. Light rain
Light rain
 8° /0° 1.3 mm 3
31 Dec. Patchy rain possible
Patchy rain possible
 7° /2° 0.8 mm 3
Next
Important Notice
Our weather forecast for Incheon 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 Incheon forecast closer to your planned date for the most up-to-date weather information.
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Incheon in December - FAQ

What are the expected maximum and minimum temperatures in Incheon during December?
Prepare for cooler days with highs just around 8° and colder nights, dipping below 1°.
How much rainfall should be expected in Incheon during December?
In December, Incheon can expect light to moderate rainfall, totaling 42.6 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Incheon in December 2025?
Incheon experiences an average snowfall of 11.47 cm during December, occurring over 10 days.
What are the typical wind conditions in Incheon during December?
The average wind speed in Incheon during December is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

December rainfall patterns in Incheon

Explore the daily rainfall trends and prepare for Incheons December weather 💧
Typically, Incheon has 4 rainy days in December with a total of 42.6 mm of rainfall.

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Get accurate weather forecasts for Incheon, located at latitude 35.073 and longitude 126.7. Stay updated with localized weather information tailored for Incheon.

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