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Seoul Weather December

Seoul is located in humid continental climate zone that is known for significant seasonal temperature variations warm or even hot summer and cold winter with roughly similar amounts of rainfall.
To help you choose the best time to travel, you can find climate data below on the weather in Seoul in December.
![]() | average daily high | +4.3°C |
![]() | average daily low | -3.2°C |
![]() | daytime | 10.1 h |
![]() | sunny / overcast hours | 4.9 / 5.2 |
![]() | average monthly precipitation | 22 mm |
Best time with the soft weather for the sightseeing and long walks in Seoul are May, June, September, October.
Temperature in Seoul
In December the average daily maximum in Seoul is +4.3°C, and the minimum -3.2°C.
The hottest December day on record is +17.7°C, and the coldest -23.1°C.
Best beach resorts in December:

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Daylight hours
There are 10.1 hours of daylight in Seoul in December. Out of these, on average 4.9 are sunny, which means it is mostly cloudy.
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Precipitation
The amount of precipitation in Seoul in December is usually 22 mm, a negligible amount.