Seoul
January
Weather in Seoul for January 2026
Your guide to Seoul weather in January - trends and predictions
Seoul typically experiences moderate snowfall in January, with an average of 9 snowy days.
In general, the average temperature in Seoul at the beginning of January is 1.3 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 2 °C by the end of January.
Snow Forecast ❄️
Temperatures
19
Dry days
3
Rainy days
9
Snow days
1°/-4°
Temperatures
13 km/h
Avg max wind
52 %
Avg humidity
Seoul Weather January
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Temperatures trend during January in Seoul
See the weather trend as well as the moving average line
January weather in Seoul day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. |  Overcast | 3° /-4° | 0 mm | 0 cm | |
| 2 Jan. |  Partly cloudy | 2° /-4° | 0.1 mm | 0 cm | |
| 3 Jan. | Overcast | 0° /-5° | 0.1 mm | 0.1 cm | |
| 4 Jan. |  Sunny | 2° /-4° | 0 mm | 0 cm | |
| 5 Jan. | Sunny | 2° /-4° | 2.8 mm | 1.3 cm | |
| 6 Jan. |  Cloudy | 1° /-4° | 1 mm | 0.7 cm | |
| 7 Jan. | Sunny | -1° /-7° | 0.2 mm | 0.1 cm | |
| 8 Jan. | Overcast | -1° /-7° | 0 mm | 0 cm | |
| 9 Jan. | Overcast | -1° /-6° | 0.8 mm | 0.7 cm | |
| 10 Jan. | Overcast | 1° /-6° | 0.2 mm | 0 cm | |
| 11 Jan. | Sunny | 1° /-5° | 0.1 mm | 0 cm | |
| 12 Jan. | Cloudy | 2° /-5° | 0 mm | 0 cm | |
| 13 Jan. | Sunny | 3° /-3° | 4.6 mm | 0 cm | |
| 14 Jan. | Sunny | 3° /-3° | 1.6 mm | 0 cm | |
| 15 Jan. | Sunny | 2° /-3° | 1 mm | 0 cm | |
| 16 Jan. | Sunny | 1° /-5° | 0 mm | 0 cm | |
| 17 Jan. | Cloudy | 1° /-5° | 0.3 mm | 0 cm | |
| 18 Jan. | Sunny | 2° /-5° | 0.4 mm | 0 cm | |
| 19 Jan. | Overcast | 2° /-4° | 0.9 mm | 0.1 cm | |
| 20 Jan. | Overcast | 4° /-4° | 0.1 mm | 0 cm | |
| 21 Jan. | Overcast | 3° /-4° | 1.9 mm | 1 cm | |
| 22 Jan. | Overcast | 3° /-3° | 0.1 mm | 0 cm | |
| 23 Jan. | Cloudy | 3° /-4° | 0 mm | 0 cm | |
| 24 Jan. | Sunny | 3° /-5° | 0 mm | 0 cm | |
| 25 Jan. | Overcast | 3° /-5° | 0.3 mm | 0 cm | |
| 26 Jan. |  Patchy rain possible | 3° /-3° | 0.5 mm | 0 cm | |
| 27 Jan. | Overcast | 1° /-4° | 2.4 mm | 1.5 cm | |
| 28 Jan. |  Heavy rain at times | 0° /-6° | 1.5 mm | 0.7 cm | |
| 29 Jan. | Sunny | 0° /-7° | 0.1 mm | 0 cm | |
| 30 Jan. | Sunny | 2° /-5° | 0 mm | 0 cm | |
| 31 Jan. | Partly cloudy | 5° /-4° | 0.6 mm | 0.3 cm | |
| Next | |||||
Important Notice
Our weather forecast for Seoul 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 Seoul forecast closer to your planned date for the most up-to-date weather information.
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Seoul in January - FAQ
What are the expected maximum and minimum temperatures in Seoul during January?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Seoul during January?
In January, Seoul can expect light to moderate rainfall, totaling 21.8 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Seoul in January 2026?
Seoul experiences an average snowfall of 6.458 cm during January, occurring over 9 days.
What are the typical wind conditions in Seoul during January?
The average wind speed in Seoul during January is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
Seoul snow forecast January 2026
Track daily snowfall levels and discover Seoul’s snowy potential this January ❄️
January rainfall patterns in Seoul
Explore the daily rainfall trends and prepare for Seouls January weather 💧
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