Weather in Sejong in January
Sejong, South Korea averages a high of 3.1°C (37.6°F) and low of -4.8°C (23.4°F) in January, with 4 rain days and 7.6 hours of daily sunshine. Travel score: 59.9/100 (Mixed). The best time to visit Sejong is May.
High
3°C38°F
Low
-5°C23°F
🌧️
4
rain days
☀️
7.6
hrs/day sunshine
💧
63%
humidity
60— Mixed
January in Sejong is cold and mostly dry — bring heavy winter clothing.
What are the average temperatures in Sejong?
How much does it rain in Sejong in January?
Sejong receives an average of 21.6mm of rainfall across 4 rainy days in January. The annual total is 1112.1mm.
What should I pack for Sejong in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around 3°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -5°C
🧣
Warm scarf
Protect against cold winds
Traveling to South Korea in January?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31