Cheonan
January
Weather in Cheonan for January 2026
Your guide to Cheonan weather in January - trends and predictions
DryAir Advisory - See hour by hour.
With an average of 3 snowy days, Cheonan usually enjoys a light touch of snow in January.
According to Cheonan snow forecast for January 2026, no snow is expected until the end of the month.Until now, January 2026 in Cheonan is slightly cooler than the historical average by -1.1 °C.
In general, the average temperature in Cheonan at the beginning of January is 1.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 0.4 °C by the end of January.
With an average of 4 rainy days, Cheonan experiences minimal rainfall in January.
Official Weather Alert ⚠️
Snow Forecast ❄️
Temperatures
Rain 🌧️
24
Dry days
4
Rainy days
3
Snow days
2°/-4°
Temperatures
16 km/h
Avg max wind
70 %
Avg humidity
Cheonan Weather January
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Temperatures trend during January in Cheonan
See the weather trend as well as the moving average line
January weather in Cheonan day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. |  Partly cloudy | 2° /-5° | 0 mm | 0 cm | |
| 2 Jan. | Partly cloudy | 0° /-6° | 0 mm | 0 cm | |
| 3 Jan. |  Overcast | 1° /-6° | 0 mm | 0 cm | |
| 4 Jan. |  Sunny | 3° /-3° | 0 mm | 0 cm | |
| 5 Jan. |  Moderate or heavy snow showers | 3° /-3° | 1.1 mm | 0.7 cm | |
| 6 Jan. |  Light freezing rain | 3° /-3° | 0.3 mm | 0 cm | |
| 7 Jan. | Overcast | 1° /-5° | 0.1 mm | 0 cm | |
| 8 Jan. | Overcast | -1° /-6° | 0.1 mm | 0 cm | |
| 9 Jan. | Light freezing rain | -1° /-8° | 0.2 mm | 0 cm | |
| 10 Jan. |  Cloudy | 1° /-9° | 1 mm | 0.1 cm | |
| 11 Jan. | Overcast | -2° /-8° | 0.1 mm | 0 cm | |
| 12 Jan. | Overcast | 2° /-7° | 0.1 mm | 0 cm | |
| 13 Jan. | Cloudy | 3° /-7° | 0.2 mm | 0 cm | |
| 14 Jan. | Light freezing rain | 3° /-4° | 0.5 mm | 0 cm | |
| 15 Jan. | Partly cloudy | 4° /-2° | 0.1 mm | 0 cm | |
| 16 Jan. | Overcast | 5° /-2° | 0 mm | 0 cm | |
| 17 Jan. | Sunny | 3° /-4° | 0 mm | 0 cm | |
| 18 Jan. | Overcast | 5° /-3° | 0 mm | 0 cm | |
| 19 Jan. | Overcast | 5° /-2° | 0 mm | 0 cm | |
| 20 Jan. | Overcast | 1° /-4° | 0 mm | 0 cm | |
| 21 Jan. | Overcast | 1° /-5° | 0 mm | 0 cm | |
| 22 Jan. | Overcast | 2° /-5° | 0 mm | 0 cm | |
| 23 Jan. | Sunny | 4° /-5° | 0.3 mm | 0.3 cm | |
| 24 Jan. | Sunny | 3° /-4° | 0 mm | 0 cm | |
| 25 Jan. | Cloudy | 3° /-5° | 0 mm | 0 cm | |
| 26 Jan. | Overcast | 3° /-4° | 0.1 mm | 0 cm | |
| 27 Jan. |  Patchy moderate snow | 0° /-4° | 3.2 mm | 1.6 cm | |
| 28 Jan. | Patchy moderate snow | -1° /-6° | 2.8 mm | 1.1 cm | |
| 29 Jan. | Overcast | -1° /-8° | 0.2 mm | 0 cm | |
| 30 Jan. | Cloudy | -2° /-10° | 0 mm | 0 cm | |
| 31 Jan. | Sunny | 1° /-7° | 0 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Cheonan in January 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 forecast closer to your planned date for the most up-to-date weather information.
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Cheonan in January - FAQ
What are the expected maximum and minimum temperatures in Cheonan during January?
Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Cheonan during January?
Expect minimal rainfall in Cheonan during January, with a total of 16.8 mm over approximately 4 days. This minimal precipitation is unlikely to significantly impact plans.
Will it snow in Cheonan in January 2026?
Cheonan experiences an average snowfall of 6.6 cm during January, occurring over 3 days.
What are the typical wind conditions in Cheonan during January?
The average wind speed in Cheonan during January is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
Cheonan snow forecast January 2026
Track daily snowfall levels and discover Cheonan’s snowy potential this January ❄️
On average, Cheonan sees 3 snowy days during January, with approximately 6.6 cm of total snowfall.
January rainfall patterns in Cheonan
Explore the daily rainfall trends and prepare for Cheonans January weather 💧
Typically, Cheonan has 4 rainy days in January with a total of 16.8 mm of rainfall.
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Where is Cheonan?Get accurate weather forecasts for Cheonan, located at latitude 36.807 and longitude 127.152. Stay updated with localized weather information tailored for Cheonan.
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