Busan weather in January 2027

Q: How cold is it in Busan in January?

Daytime temperatures usually reach 1°C in Busan in January, falling to -8°C at night.

Q: How sunny is it in Busan in January?

There are normally 6 hours of bright sunshine each day in Busan in January - that's 56% of daylight hours.

Q: Does it rain in Busan in January?

There are usually 7 days with some rain in Busan in January and the average monthly rainfall is 22mm. Rain may fall as snow in this month.

Expect daytime maximum temperatures of 45°F in Busan, South Korea in January based on long-term weather averages. There are 6 hours of sunshine per day on average.

45
45°F max day temperature
6
6 hours of sunshine per day
6
6 days with some rainfall
28
28°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
1.5
1.5 inches of monthly rainfall
2
2 (Low) UV index
57
57°F sea temperature

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The January weather guide for South Korea (Busan) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

How cold is it in Busan in January?

Daytime temperatures usually reach 34°F in Busan in January, falling to 18°F at night.

How sunny is it in Busan in January?

There are normally 6 hours of bright sunshine each day in Busan in January - that's 56% of daylight hours.

Does it rain in Busan in January?

There are usually 7 days with some rain in Busan in January and the average monthly rainfall is 0.9 inches. Rain may fall as snow in this month.