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 Goyang averages 3°C (37°F) during the day and -7°C (19°F) at night. With just 20 mm (0.8 in) of snow/rainfall on average, it doesn't get much drier than this.
If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Goyang. Our weather planner can help you explore destinations with more pleasant weather conditions.
Pick a month to see the average temperature, rainfall and sunshine in Goyang - and find the best time to visit.
51-year average (1976-2026)
Based on our historical records, temperatures in Goyang typically stay consistent throughout January, with daily highs averaging around 3°C (37°F). Nights are very cold, with lows typically ranging from -9°C (16°F) to -7°C (19°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 Goyang spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Goyang.
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).
Dress warmly and in layers for your trip to Goyang in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Light rain is possible, so consider bringing a small umbrella or rain jacket. Bring sunglasses since you'll have some sunny periods throughout the month
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Goyang 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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