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Cheonan-si (Cheonan)
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Weather in Cheonan-si for December 2025

Your guide to Cheonan-si weather in December - trends and predictions

    Official Weather Alert ⚠️

  • Heavy Snow Advisory - See hour by hour.

    • Snow Forecast ❄️

  • Snowfall in Cheonan-si during December is quite rare, with fewer than 2 snowy days on average.
    According to Cheonan-si snow forecast for December 2025, 1 snowy day is expected until the end of the month at Saturday, 27 December.

    • Temperatures

  • Until now, December 2025 in Cheonan-si has been nearly identical to the historical average, with a temperature of 5 °C (showing only a slight deviation of -0.5 °C).

  • The forecast for the next days in Cheonan-si predicts temperatures to be around 6 °C, close to the historical average.

  • In general, the average temperature in Cheonan-si at the beginning of December is 5.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 2.1 °C by the end of December.

    • Rain 🌧️

  • With an average of 5 rainy days, Cheonan-si experiences minimal rainfall in December.

Average dry days
25
Dry days
Average rainy days
5
Rainy days
Average snowy days
1
Snow days
Average temperatures
4°/-2°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Cheonan-si Weather December

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

Temperatures trend during December in Cheonan-si

See the weather trend as well as the moving average line

December weather in Cheonan-si 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
 9° /2° 2.2 mm 0 cm
2 Dec. Patchy rain possible
Patchy rain possible
 9° /-1° 0.1 mm 0 cm
3 Dec. Overcast
Overcast
 1° /-4° 1.9 mm 1.3 cm
4 Dec. Overcast
Overcast
 3° /-4° 0.4 mm 0.3 cm
5 Dec. Cloudy
Cloudy
 5° /-2° 0 mm 0 cm
6 Dec. Overcast
Overcast
 5° /-2° 0.2 mm 0 cm
7 Dec. Overcast
Overcast
 8° /0° 0.1 mm 0 cm
8 Dec. Sunny
Sunny
 5° /-1° 0 mm 0 cm
9 Dec. Cloudy
Cloudy
 5° /-1° 0 mm 0 cm
10 Dec. Sunny
Sunny
 7° /-1° 0 mm 0 cm
11 Dec. Overcast
Overcast
 7° /-1° 1.5 mm 0 cm
12 Dec. Partly cloudy
Partly cloudy
 5° /-2° 0 mm 0 cm
13 Dec. Overcast
Overcast
 3° /-1° 5.3 mm 0.4 cm
14 Dec. Overcast
Overcast
 2° /-3° 0 mm 0 cm
15 Dec. Partly cloudy
Partly cloudy
 5° /-3° 0 mm 0 cm
16 Dec. Patchy rain possible
Patchy rain possible
 9° /2° 0.3 mm 0 cm
17 Dec. Partly cloudy
Partly cloudy
 8° /2° 0 mm 0 cm
18 Dec. Sunny
Sunny
 9° /1° 0 mm 0 cm
19 Dec. Partly cloudy
Partly cloudy
 10° /2° 0 mm 0 cm
20 Dec. Overcast
Overcast
 13° /6° 0 mm 0 cm
21 Dec. Partly cloudy
Partly cloudy
 10° /5° 0 mm 0 cm
22 Dec. Patchy rain possible
Patchy rain possible
 11° /6° 4.4 mm 0 cm
23 Dec. Patchy rain possible
Patchy rain possible
 6° /2° 0.2 mm 0 cm
24 Dec. Sunny
Sunny
 5° /-1° 0 mm 0 cm
25 Dec. Partly cloudy
Partly cloudy
 2° /-2° 0 mm 0 cm
26 Dec. Partly cloudy
Partly cloudy
 2° /-2° 0 mm 0 cm
27 Dec. Light freezing rain
Light freezing rain
 -1° /-5° 0.2 mm 0.2 cm
28 Dec. Sunny
Sunny
 -2° /-7° 0 mm 0 cm
29 Dec. Overcast
Overcast
 4° /-4° 0 mm 0 cm
30 Dec. Overcast
Overcast
 8° /0° 0.1 mm 0 cm
31 Dec. Sunny
Sunny
 2° /-2° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Cheonan-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 Cheonan-si forecast closer to your planned date for the most up-to-date weather information.
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Cheonan-si in December - FAQ

What are the expected maximum and minimum temperatures in Cheonan-si during December?
Brace for cold days with temperatures not exceeding 4° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Cheonan-si during December?
Expect minimal rainfall in Cheonan-si during December, with a total of 11.8 mm over approximately 5 days. This minimal precipitation is unlikely to significantly impact plans.
Will it snow in Cheonan-si in December 2025?
Cheonan-si typically sees 1.2 cm of snowfall during December.
What are the typical wind conditions in Cheonan-si during December?
The average wind speed in Cheonan-si during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

Cheonan-si snow forecast December 2025

Track daily snowfall levels and discover Cheonan-si’s snowy potential this December ❄️
On average, Cheonan-si sees 1 snowy days during December, with approximately 1.2 cm of total snowfall.

December rainfall patterns in Cheonan-si

Explore the daily rainfall trends and prepare for Cheonan-sis December weather 💧
Typically, Cheonan-si has 5 rainy days in December with a total of 11.8 mm of rainfall.
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Location coordinates Where is Cheonan-si?

Get accurate weather forecasts for Cheonan-si, located at latitude 36.807 and longitude 127.152. Stay updated with localized weather information tailored for Cheonan-si.

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