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.
Yongin Weather in December
During December, Yongin experiences low daytime temperatures of 6°C (43°F) and cooler nights around -4°C (25°F). As part of the winter season, some snow/rainfall is to be expected.
Rainfall in Yongin in December
Records from the past 30 years suggest around 8 days of snow/rain, with 27 mm (1.1 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Yongin in December
December in Yongin brings typical temperatures with highs around 6°C (43°F) and lows of -4°C (25°F). December is part of the winter season. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights drop below freezing to -4°C (25°F). An extra blanket is worth packing if you're unsure about the heating where you're staying.
Sunshine in Yongin in December
The month brings about 163 hours of sunlight, offering a comfortable mix of sun and overcast.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May and October typically offer the best weather for Yongin.
Yongin Temperature in December
Min Temperature
-4°C (25°F)
Max Temperature
6°C (43°F)
Chance of Rain
28%
Precipitation
27 mm (1.1 in)
Rainy days
8 days
Humidity
58% *
Sunshine
163 hours *
Percentage Sunshine
49% *
* Data from: Seoul, South Korea (39 KM, 24 Miles).
Yongin Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Yongin - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Yongin typically drop from around 7°C (45°F) at the start of December to approximately 2°C (36°F) by the end. Nights are very cold, with lows typically ranging from -8°C (18°F) to -2°C (28°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather records for Yongin in December
Browse day-by-day weather records for Yongin spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Yongin historical weather extremes in December
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Yongin.
- Yongin recorded its highest December temperature of 18°C (64°F) on December 8, 2023.
- The lowest overnight temperature recorded in December was -19°C (-2°F) (December 30, 1980).
Best Places in South Korea in December
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
pleasant
tolerable
unpleasant
poor
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).
What to Wear in Yongin in December
Dress warmly and in layers for your trip to Yongin in December. 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. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Yongin in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling3/10 -
Walking3/10 -
Camping2/10 -
Outdoor sports3/10
Yongin 3-Day Forecast
More climate data for Yongin
Temperature Rainfall Sunshine Humidity
See the full Yongin climate overview or explore weather in South Korea.
Popular in December
Where to go in December - average daytime high across popular destinations.
Jeju
12°C (54°F) Seogwipo
12°C (54°F) Busan
11°C (52°F) Gyeongju9°C (48°F) Jeonju8°C (46°F) Suwon6°C (43°F) Incheon6°C (43°F) Seoul5°C (41°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Mud festival in South Korea
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