South Korea weather in January 2025

Expect 34°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in South Korea in January. Check more long-term weather averages for South Korea in January before you book your next holiday to South Korea in 2025/2026.

  • 34°F maximum daytime temperature in January in South Korea (Seoul)34
    34°F max day temperature
  • 6 hours of sunshine per day
  • 7 days with some rainfall in January in South Korea (Seoul)7
    7 days with some rainfall
  • 18°F minimum night-time temperature in January in South Korea (Seoul)18
    18°F min night temperature
  • 10 hours of daylight per day in January in South Korea (Seoul)10
    10 hours of daylight per day
  • No heat & humidity in January in South Korea (Seoul)0
    No heat & humidity
  • 0.9 inches monthly rainfall in January in South Korea (Seoul)0.9
    0.9 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in South Korea (Seoul)2
    2 (Low) UV index

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The January weather guide for South Korea (Seoul) 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.

Top South Korea destinations

Below are average maximum temperatures at popular countries, regions and places in South Korea in January. Select a holiday destination to see more weather parameters.

All South Korea destinations

Metric (°C)  |  Imperial (°F)

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How cold is it in South Korea in January?

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

How sunny is it in South Korea in January?

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

Does it rain in South Korea in January?

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

South Korea January sunrise & sunset times

Browse the sunrise and sunset times for South Korea in January 2025. Select a month to view South Korea sunrise and sunset times for the next 12 months. The South Korea sunrise and sunset times shown below are for Seoul.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:47 17:24
Thursday, 16th January 2025 07:45 17:38
Friday, 31st January 2025 07:37 17:55

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