Weather in Seoul for January 2025
In general, the average temperature in Seoul at the beginning of January is 2.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 1 °C by the end of January.
Precipitation in Seoul during January is a rare event, with an average of fewer than 2 rainy days.
With an average of 2 snowy days, Seoul enjoys a light touch of snow in January.
Is January a good time to visit Seoul? check out the best time to travel to Seoul page.
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Seoul in January average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  3° | 2  2° | 3 1° | 4 3° | 5 5° | ||
| 6  3° | 7  2° | 8 3° | 9 3° | 10 3° | 11 5° | 12 6° |
| 13  5° | 14  3° | 15 1° | 16 1° | 17 2° | 18 3° | 19 4° |
| 20 3° | 21 2° | 22  -1° | 23 -3° | 24 -5° | 25 -3° | 26 0° |
| 27 -1° | 28 -0° | 29 2° | 30 3° | 31 6° |
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Temperatures trend during January in Seoul
January weather day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. | Sunny | 3° /-2° | 0 mm | 0 cm | |
| 2 Jan. | Partly cloudy | 2° /-3° | 0 mm | 0 cm | |
| 3 Jan. | Sunny | 1° /-4° | 0.2 mm | 0.1 cm | |
| 4 Jan. | Sunny | 3° /-3° | 0 mm | 0 cm | |
| 5 Jan. | Partly cloudy | 5° /-2° | 0.2 mm | 0 cm | |
| 6 Jan. | Overcast | 3° /-2° | 2.2 mm | 1.7 cm | |
| 7 Jan. | Cloudy | 2° /-4° | 0.5 mm | 0.3 cm | |
| 8 Jan. | Overcast | 3° /-4° | 0 mm | 0 cm | |
| 9 Jan. | Overcast | 3° /-2° | 2 mm | 1.7 cm | |
| 10 Jan. | Sunny | 3° /-3° | 0 mm | 0 cm | |
| 11 Jan. | Sunny | 5° /-2° | 0 mm | 0 cm | |
| 12 Jan. | Sunny | 6° /-2° | 0 mm | 0 cm | |
| 13 Jan. | Moderate or heavy rain shower | 5° /1° | 11.3 mm | 0 cm | |
| 14 Jan. | Patchy rain possible | 3° /0° | 3.9 mm | 0 cm | |
| 15 Jan. | Moderate rain at times | 1° /-3° | 2.5 mm | 0 cm | |
| 16 Jan. | Sunny | 1° /-4° | 0 mm | 0 cm | |
| 17 Jan. | Cloudy | 2° /-3° | 0.7 mm | 0 cm | |
| 18 Jan. | Sunny | 3° /-2° | 0.7 mm | 0 cm | |
| 19 Jan. | Overcast | 4° /-2° | 1.5 mm | 0 cm | |
| 20 Jan. | Overcast | 3° /-3° | 0.3 mm | 0 cm | |
| 21 Jan. | Sunny | 2° /-5° | 0.1 mm | 0.1 cm | |
| 22 Jan. | Light freezing rain | -1° /-7° | 0.2 mm | 0 cm | |
| 23 Jan. | Cloudy | -3° /-9° | 0 mm | 0 cm | |
| 24 Jan. | Sunny | -5° /-13° | 0 mm | 0 cm | |
| 25 Jan. | Sunny | -3° /-12° | 0 mm | 0 cm | |
| 26 Jan. | Light freezing rain | 0° /-6° | 0.6 mm | 0 cm | |
| 27 Jan. | Sunny | -1° /-6° | 0 mm | 0 cm | |
| 28 Jan. | Cloudy | 0° /-6° | 0 mm | 0 cm | |
| 29 Jan. | Patchy rain possible | 2° /-5° | 0.2 mm | 0 cm | |
| 30 Jan. | Sunny | 3° /-3° | 0 mm | 0 cm | |
| 31 Jan. | Partly cloudy | 6° /-2° | 0 mm | 0 cm | |
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Guide for Seoul in January
Seoul, South Korea, experiences a cold and dry winter in January. At the beginning of the month, temperatures typically hover around 0° during the day and can drop to around -7° at night. The city often experiences clear skies, but the cold can be quite biting due to the wind chill factor.
Snowfall is not uncommon, although it tends to be light and sporadic rather than heavy. The air is generally dry, and humidity levels are low, contributing to the crisp, cold feel.
As the month progresses, the weather remains consistently cold. By the end of January, daytime temperatures usually range from -1° to 3°, while nighttime temperatures can still dip to around -6°. The frequency of snowfall may increase slightly, but significant accumulations are rare.
The skies remain mostly clear, with occasional overcast days. The wind can still make the temperatures feel colder than they actually are, so dressing in layers and wearing appropriate winter gear is advisable.
Overall, January in Seoul is characterized by its cold, dry conditions and occasional light snowfall. The weather remains relatively stable throughout the month, with only slight variations in temperature from the beginning to the end of January.
Seoul in January - FAQ
What to pack to Seoul in January?
As you prepare for your trip to Seoul in January, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Seoul, during January, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Thermal Wear: Base layers for cold destinations
- All-Weather Jacket: Waterproof and breathable
- Footwear
- Waterproof Shoes
- Insulated Boots: For snowy and extremely cold temperatures
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
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Where is Seoul?Get accurate weather forecasts for Seoul, located at latitude 37.566 and longitude 126.978. Stay updated with localized weather information tailored for Seoul.