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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.

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% *
* Data from: Chungmu, South Korea (70 KM, 44 Miles).

Yeosu Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Yeosu - and find the best time to visit.

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 records 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 →

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 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.

  • Swimming
    5/10
  • Cycling
    4/10
  • Walking
    4/10
  • Camping
    5/10
  • Outdoor sports
    4/10

Yeosu 3-Day Forecast

More climate data for Yeosu

Popular in December

Where to go in December - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.