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Busan in January: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Busan in January will be like? Take a look at our weather guide for Busan, based on historical data.
Check flight prices to Busan on Avionero:
January

Weather in Busan in January 2025

Good Weather
Cool
☀️
Sunny
Planning a trip to Busan in January? You are in luck! The weather is generally good, with an average maximum temperature of +7°C and approximately 17 sunny days. Just be prepared for some rain, as there are usually around 6 rainy days and 33 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.
Good to know:
  • January is usually the coldest month of the year in Busan;
  • January is usually the driest month of the year in Busan

Average weather

☀️
+7°C
Avg. max. temperature
-11°C
Min.
+19°C
Max.
33 mm
Total precipitation
53%
Avg. humidity
3 m/s
Avg. wind
17 ☀️
Sunny Days
8 ⛅️
Cloudy
6 🌦
Rainy
Our opinion: Busan has good weather in January.

Average temperature in Busan in January

Here are the expected maximum, average and minimum temperatures in Busan for January based on the historical data.
Last Year
Historical Data

Going from a maximum of +19°C during the day to a minimum of -11°C during the night, the temperature in January averages around +8°C.

The average maximum temperature goes up 3% by the end of the month, compared with the beginning of the month, from +9°C to +10°C.

Is Busan warm or cold in January?

Busan is typically cool in January.

Maximum temperatures go down compared to the previous month from +9°C to +7°C. The minimum temperature also goes down from +3°C to +1°C.

Pack a sweater and a jacket as there will be cooler temperatures.

January is the coldest month in Busan, here is the comparison with other months:

Climate in Busan in January

Busan weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
+9°C+7°C+9°C
Min. temperature
-7°C-11°C-10°C
Max. temperature
+19°C+19°C+21°C
Rainfall
25 mm33 mm43 mm
Wind
2 m/s3 m/s3 m/s
Humidity
57%53%54%
Air pressure
1022 HPa1022 HPa1021 HPa
Sunny days
181712
Cloudy days
989
Rainy days
567
Snowy days
000

January weather is still as good as in December. It’s getting colder in January. From +9°C in the day, the average maximum temperature lowers to +7°C. Prepare for more rain. Average rainfall goes from 25 mm to 33 mm. It feels drier, as humidity decreases from 57% to 53%. Winds are stronger in comparison to December, going up from 2 m/s to 3 m/s on average. The days becoming less sunny, going from 18 sunny days in December to 17 in January.

February brings much the same weather, it remains good.

Wind

Wind speed in Busan in January based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Busan is gradually increasing during January, going from 2 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in Busan based on historical data.
Last Year
Historical Data
Typically, there is a 16% chance of rain on an average day in January, with total rainfall of approximately 53 mm. The maximum amount of rainfall per day is around 38 mm, which is moderate rain. On average, there are about 5 rainy days during January, so prepare to bring an umbrella.
Here’s how January is compared with other months in the amount of precipitation, total mm:
Busan wettest month is July, where a typical day has a 61% chance of precipitation and 233 mm of rainfall per day. December, on the other hand, is the driest month with a mere 16% chance of precipitation and 25 mm of rainfall per day.

How was the weather last January in Busan?

This is the weather in Busan in January 2023:
1 January
☀️
+9°C
2 January
☀️
+8°C
3 January
☀️
+6°C
4 January
☀️
+8°C
5 January
🌫️
+9°C
6 January
☀️
+11°C
7 January
☀️
+10°C
8 January
☀️
+12°C
9 January
☀️
+14°C
10 January
☀️
+13°C
11 January
☀️
+14°C
12 January
🌧️
+17°C
13 January
🌫️
+19°C
14 January
🌧️
+12°C
15 January
☀️
+8°C
16 January
☀️
+7°C
17 January
☀️
+6°C
18 January
☀️
+7°C
19 January
☀️
+8°C
20 January
☀️
+8°C
21 January
☀️
+6°C
22 January
☀️
+8°C
23 January
☁️
+12°C
24 January
☀️
-5°C
25 January
☀️
0°C
26 January
☁️
+4°C
27 January
☀️
+3°C
28 January
☀️
+2°C
29 January
☀️
+6°C
30 January
☀️
+8°C
31 January
☀️
+10°C
In January 2023 Busan had 25 sunny days, 2 cloudy days, and 2 rainy days. The average maximum temperature was +8°C, with an absolute maximum of +19°C and a minimum of -5°C. The average humidity was 55%, with a maximum of 97% and a minimum of 12%. The average wind speed was 3 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in January?

Climate Change over Years

This is how Busan climate have been changing during last 43 years period.

The climate in Busan in January has not changed much over the last 43 years.

The average temperature was the lowest in 1980 (+16°C) and the highest in 2019 (+20°C). The driest year was 2008 with only 733 mm of rainfall, and the wettest year was 1999 with 2001 mm.

FAQ

Frequently asked questions about the weather in Busan in January:

Is January a good time to visit Busan?

January is a really good time to go to Busan. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Busan.

Can you sunbathe in Busan in January?

Not really, January is not the best time to sunbathe, unless you visit a local solarium.

Is Busan rainy in January?

Busan is usually dry in January. Plan your packing around outdoor activities and exploring.

Is it sunny in Busan in January?

The amount of sunny days in Busan during January varies; prepare for a mix of clouds and sun.

Other cities in South Korea

Check out the weather for other cities in South Korea.

Monthly weather in Busan

Source of the data

For this page, we’ve looked at the typical weather in Busan, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.