Jeollanam-Do Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Jeollanam-Do, South Korea in January.

Considering a trip to Jeollanam-Do, South Korea this January and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Jeollanam-Do in January

Jeollanam-Do, South Korea is a region in South Korea. January in Jeollanam-Do generally has cold temperatures, with moderate precipitation. January falls during the winter season.

Temperatures

You can expect cold maximum daytime temperatures of around 7°C (45°F) and nighttime temperatures around 1°C (34°F) in Yeosu. Typically, it's the chilliest month of the year. Making it a great time for staying indoors and enjoying the warmth. Make sure you're prepared by packing the right winter outfits.

For specific regional insights in Jeollanam-Do, South Korea, refer to the map provided below.

Precipitation

In January, precipitation varies across different areas. From moderate snow/rainfall in Boseong with an average of 33 mm (1.3 in) to moderate snow/rainfall in Wando with 43 mm (1.7 in).

Average sunshine

Sunshine amounts are decent in most places. Yeosu gets approximately 184 hours of sunlight in January, offering a reasonable amount of both bright and cloudy periods. Curious about sunnier destinations? Our weather planner makes it easy to find places worldwide with pleasant weather.

Explore Jeollanam-Do by month

Pick a month to see the average temperature, rainfall and sunshine in Jeollanam-Do - and find the best time to visit. (based on Yeosu)

Best Places to Visit in Jeollanam-Do in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Jeollanam-Do.

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).

Popular Destinations in Jeollanam-Do

What is the weather like in January for some of the most popular destinations in Jeollanam-Do, South Korea?

Temperature range in Jeollanam-Do (January)

Precipitation variation in Jeollanam-Do (January)

Yeosu

In January Yeosu generally has low temperatures with maximum daytime temperatures around 7°C (45°F), minimum nighttime temperatures around 1°C (34°F) and moderate monthly rainfall. So on average the conditions are less favorable that month.

December
January
February
Max temperature
10°C (50°F)
7°C (45°F)
9°C (48°F)
Min temperature
3°C (37°F)
1°C (34°F)
2°C (36°F)
Monthly sun hours
186 hours
184 hours
168 hours
Monthly rainfall
32 mm (1.3 in)
36 mm (1.4 in)
54 mm (2.1 in)
Monthly rainy days
5 days
6 days
7 days
Weather conditions

Suncheon

In January Suncheon generally has low temperatures with maximum daytime temperatures around 7°C (45°F), minimum nighttime temperatures around -3°C (27°F) and moderate monthly snow/rainfall. So on average the conditions are less favorable that month.

December
January
February
Max temperature
9°C (48°F)
7°C (45°F)
9°C (48°F)
Min temperature
-1°C (30°F)
-3°C (27°F)
-2°C (28°F)
Monthly sun hours
156 hours
158 hours
165 hours
Monthly snow/rainfall
30 mm (1.2 in)
34 mm (1.3 in)
50 mm (2 in)
Monthly rainy days
6 days
7 days
8 days
Weather conditions

Boseong

In January Boseong generally has low temperatures with maximum daytime temperatures around 7°C (45°F), minimum nighttime temperatures around -3°C (27°F) and moderate monthly snow/rainfall. So on average the conditions are less favorable that month.

December
January
February
Max temperature
9°C (48°F)
7°C (45°F)
9°C (48°F)
Min temperature
-1°C (30°F)
-3°C (27°F)
-1°C (30°F)
Monthly sun hours
156 hours
158 hours
165 hours
Monthly snow/rainfall
31 mm (1.2 in)
33 mm (1.3 in)
45 mm (1.8 in)
Monthly rainy days
8 days
9 days
9 days
Weather conditions

Haenam-eup

In January Haenam-eup generally has low temperatures with maximum daytime temperatures around 7°C (45°F), minimum nighttime temperatures around 1°C (34°F) and moderate monthly rainfall. So on average the conditions are less favorable that month.

December
January
February
Max temperature
10°C (50°F)
7°C (45°F)
8°C (46°F)
Min temperature
3°C (37°F)
1°C (34°F)
1°C (34°F)
Monthly sun hours
156 hours
158 hours
165 hours
Monthly rainfall
38 mm (1.5 in)
40 mm (1.6 in)
49 mm (1.9 in)
Monthly rainy days
9 days
10 days
10 days
Weather conditions

Wando

In January Wando generally has low temperatures with maximum daytime temperatures around 8°C (46°F), minimum nighttime temperatures around 2°C (36°F) and moderate monthly rainfall. So on average the conditions are less favorable that month.

December
January
February
Max temperature
10°C (50°F)
8°C (46°F)
9°C (48°F)
Min temperature
5°C (41°F)
2°C (36°F)
3°C (37°F)
Monthly rainfall
39 mm (1.5 in)
43 mm (1.7 in)
54 mm (2.1 in)
Monthly rainy days
8 days
9 days
9 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Jeollanam-Do, in South Korea.

In our records: South Korea January extremes

Notable January records observed across cities in South Korea in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • Based on our data, the coldest January night in South Korea dropped to -28°C (-18°F) in Sokcho on January 5, 1981.
  • In our records, the coldest January daytime high in South Korea was -14°C (7°F) in Gapyeong on January 5, 1986.

Popular cities in January

Day & night temperatures, rainfall and average weather in Jeollanam-Do in January.

City Weather Day temp Night temp Rainfall
Yeosu 7°C (45°F) 1°C (34°F) 36 mm (1.4 in)
Suncheon 7°C (45°F) -3°C (27°F) 34 mm (1.3 in)
Boseong 7°C (45°F) -3°C (27°F) 33 mm (1.3 in)
Haenam-eup 7°C (45°F) 1°C (34°F) 40 mm (1.6 in)
Wando 8°C (46°F) 2°C (36°F) 43 mm (1.7 in)
Mokpo 7°C (45°F) 1°C (34°F) 43 mm (1.7 in)

Jeollanam-Do weather in January: frequently asked questions

What is the weather like in Jeollanam-Do, South Korea in January?

January in Jeollanam-Do, South Korea brings less favorable weather. In Yeosu, daytime temperatures are typically around 7°C (45°F) and nighttime lows hover near 1°C (34°F).

What is the average temperature in Jeollanam-Do, South Korea in January?

Daytime temperatures in Yeosu peak at roughly 7°C (45°F) in January, dropping to about 1°C (34°F) overnight.

Does Jeollanam-Do, South Korea get a lot of rain in January?

Not particularly. Yeosu averages just 36 mm (1.4 in) of rain in January, making it a mostly dry month for Jeollanam-Do, South Korea.

Is January a Good Time to Visit Jeollanam-Do, South Korea?

In our view, January might not be the best time to travel to Jeollanam-Do, South Korea with often less favorable weather in Yeosu.

Generally speaking, October provides excellent weather in Yeosu. In contrast, January, February, July and December tend to have less favorable weather conditions.

Interested in more climate information?

We have much more information about the climate in Jeollanam-Do.

Weather and climate has detailed information for every country in the world. Are you going to South Korea? Get detailed historical weather averages for many cities in South Korea.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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