Mud festival in South Korea
In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
December in Yangsan brings low temperatures, with highs of 10°C (50°F) and nights dropping to 0°C (32°F). It's also the driest month of the year, ideal for those who want to avoid rain.
If you prefer dry days with pleasant temperatures, October typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Pick a month to see the average temperature, rainfall and sunshine in Yangsan - and find the best time to visit.
Find out more about the weather in South Korea and which places have the best travel conditions in this month. See all of South Korea in December →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Light rain is possible, so consider bringing a small umbrella or rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Yangsan climate overview or explore weather in South Korea.
Where to go in December - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Mud festival in South Korea
In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
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