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.
January in Yangyang brings low temperatures, with daytime highs of 3°C (37°F) and nights around -7°C (19°F). Expect around 46 mm (1.8 in) of snow/rainfall during the month.
January in Yangyang can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Pick a month to see the average temperature, rainfall and sunshine in Yangyang - and find the best time to visit.
51-year average (1976-2026)
Based on our historical records, temperatures in Yangyang typically stay consistent throughout January, with daily highs averaging around 3°C (37°F). Nights are very cold, with lows typically ranging from -7°C (19°F) to -4°C (25°F).
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Yangyang spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
The extremes listed below come from historical weather data collected in Yangyang from 1976 through 2025.
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 January →
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).
Cold weather calls for smart layering in January. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Yangyang climate overview or explore weather in South Korea.
Where to go in January - 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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