Yeosu Weather in January
During January, Yeosu experiences low daytime temperatures of 7°C (45°F) and cooler nights around 1°C (34°F). As part of the winter season, some rainfall is to be expected.
Rainfall in Yeosu in January
This month experiences about 6 days of rain according to historical data, averaging 36 mm (1.4 in). The odd shower may pass through, but it usually doesn't amount to much. A largely dry month overall.
Temperature in Yeosu in January
January in Yeosu sees highs of 7°C (45°F) and lows of 1°C (34°F) overnight. This month falls in the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. Nights drop to 1°C (34°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. Expect the coldest temperatures of the year this month. Make sure you have enough winter clothing to stay warm.
Sunshine in Yeosu in January
The area experiences a moderate amount of sunshine, with approximately 184 hours of sunlight expected. This means a decent mix of sun and overcast.If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Yeosu. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 January
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Yeosu typically stay consistent throughout January, with daily highs averaging around 7°C (45°F). Nights are very cold, with lows around -3°C (27°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Yeosu in January
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 January
Based on weather observations in Yeosu between 1976 and 2025, these are the recorded extremes during January.
- The hottest January day on record in Yeosu reached 18°C (64°F) (January 4, 1976).
- The coldest January day was on January 5, 1986, with a maximum of -5°C (23°F).
- The lowest overnight temperature recorded in January was -15°C (5°F) (January 24, 1976).
Best Places in South Korea in January
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 →
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What to Wear in Yeosu in January
We recommend to layer up for chilly conditions in Yeosu in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Some rain is possible, so pack something to handle light showers. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Yeosu in January
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.