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Seoul weather in December 2025
Expect daytime maximum temperatures of 39°F in Seoul, South Korea in December based on long-term weather averages. There are 5 hours of sunshine per day on average, which might fall as snow.
- 39°F max day temperature
39 - 5 hours of sunshine per day
- 7 days with some rainfall
7 - 23°F min night temperature
23 - 10 hours of daylight per day
10 - No heat & humidity
0 - 0.8 inches of monthly rainfall
0.8 - 2 (Low) UV index
2
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Recommended for South Korea
The December weather guide for South Korea (Seoul) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C) | Imperial (°F)
How cold is it in Seoul in December?
Daytime temperatures usually reach 39°F in Seoul in December, falling to 23°F at night.
How sunny is it in Seoul in December?
There are normally 5 hours of bright sunshine each day in Seoul in December - that's 53% of daylight hours.
Does it rain in Seoul in December?
There are usually 7 days with some rain in Seoul in December and the average monthly rainfall is 0.8 inches. Rain may fall as snow in this month.
Seoul December sunrise & sunset times
Browse the sunrise and sunset times for Seoul in December 2025. Select a month to view Seoul sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st December 2025 | 07:28 | 17:14 |
| Tuesday, 16th December 2025 | 07:40 | 17:15 |
| Wednesday, 31st December 2025 | 07:47 | 17:23 |
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