Yeosu Weather in December
December in Yeosu brings low temperatures, with daytime highs of 10°C (50°F) and nights around 3°C (37°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.
Rainfall in Yeosu in December
This is the driest month of the year, though the temperatures are on the cooler side. Typically around 5 days of rainfall are expected, averaging 32 mm (1.3 in) for the month. The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.
Temperature in Yeosu in December
Expect highs of 10°C (50°F) in Yeosu in December, with nights dropping to around 3°C (37°F). During December, the winter season is in full swing. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With lows around 3°C (37°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Yeosu in December
You can expect a moderate amount of sunlight, with approximately 186 hours. This means a pleasant mix of sun and overcast.Our weather planner can help you find worldwide destinations with pleasant weather during this period. October typically offers the best weather for Yeosu.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Yeosu's climate page.
Yeosu Temperature in December
Min Temperature
3°C (37°F)
Max Temperature
10°C (50°F)
Chance of Rain
15%
Precipitation
32 mm (1.3 in)
Rainy days
5 days
Humidity
61% *
Sunshine
186 hours *
Percentage Sunshine
61% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Yeosu typically drop from around 11°C (52°F) at the start of December to approximately 7°C (45°F) by the end. Nights are very cold, with lows typically ranging from -3°C (27°F) to 2°C (36°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 for Yeosu in December
Browse day-by-day weather records for Yeosu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Yeosu historical weather extremes in December
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Yeosu.
- On December 8, 1988, temperatures climbed to 20°C (68°F), marking the warmest December day on record.
- The coldest December day was on December 23, 2022, with a maximum of -2°C (28°F).
- The lowest overnight temperature recorded in December was -12°C (10°F) (December 31, 1995).
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 →
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What to Wear in Yeosu in December
Dress warmly and in layers for your trip to Yeosu 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 Yeosu in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit South Korea, check out our Yeosu's climate page.
Temperature Rainfall Sunshine Humidity
See the full Yeosu climate overview or explore weather in South Korea.
