Weather in Seongnam-si in December
Seongnam-si, South Korea averages a high of 3.5°C (38.3°F) and low of -4.7°C (23.5°F) in December, with 4 rain days and 7.6 hours of daily sunshine. Travel score: 59.8/100 (Mixed). The best time to visit Seongnam-si is June.
High
4°C38°F
Low
-5°C24°F
🌧️
4
rain days
☀️
7.6
hrs/day sunshine
💧
64%
humidity
60— Mixed
December in Seongnam-si is cold and mostly dry — bring heavy winter clothing.
What are the average temperatures in Seongnam-si?
How much does it rain in Seongnam-si in December?
Seongnam-si receives an average of 22.2mm of rainfall across 4 rainy days in December. The annual total is 1272.8mm.
What should I pack for Seongnam-si in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around 4°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -5°C
🧣
Warm scarf
Protect against cold winds
🎉Visiting South Korea in December?
Don't miss any public holidays — check before you book!
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How can I plan my trip to Seongnam-si?
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What is the weather like in other months in Seongnam-si?
Data based on 1994–2024 averages · Last updated: 2024-12-31