South Korea weather in April 2025

Expect 17°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in South Korea in April. Check more long-term weather averages for South Korea in April before you book your next holiday to South Korea in 2025/2026.

  • 17°C maximum daytime temperature in April in South Korea (Seoul)17
    17°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in April in South Korea (Seoul)8
    8 days with some rainfall
  • 6°C minimum night-time temperature in April in South Korea (Seoul)6
    6°C min night temperature
  • 13 hours of daylight per day in April in South Korea (Seoul)13
    13 hours of daylight per day
  • No heat & humidity in April in South Korea (Seoul)0
    No heat & humidity
  • 102 mm monthly rainfall in April in South Korea (Seoul)102
    102 mm of monthly rainfall
  • UV (maximum) index 7 (High) in April in South Korea (Seoul)7
    7 (High) UV index

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The April 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 April. Select a holiday destination to see more weather parameters.

All South Korea destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How warm is it in South Korea in April?

Daytime temperatures usually reach 17°C in Seoul, South Korea in April, falling to 6°C at night.

How sunny is it in South Korea in April?

There are normally 8 hours of bright sunshine each day in Seoul, South Korea in April - that's 57% of daylight hours.

Does it rain in South Korea in April?

There are usually 8 days with some rain in Seoul, South Korea in April and the average monthly rainfall is 102mm.

South Korea April sunrise & sunset times

Browse the sunrise and sunset times for South Korea in April 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
Tuesday, 1st April 2025 06:18 18:55
Tuesday, 15th April 2025 05:58 19:07
Wednesday, 30th April 2025 05:38 19:21

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