Busan weather in April 2026

Expect daytime maximum temperatures of 18°C in Busan, South Korea in April based on long-term weather averages. There are 7 hours of sunshine per day on average with 11 days with some rainfall and typically 149 mm of rainfall in the month.

  • 18°C maximum daytime temperature in April in Busan18
    18°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in April in Busan11
    11 days with some rainfall
  • 9°C minimum night-time temperature in April in Busan9
    9°C min night temperature
  • 13 hours of daylight per day in April in Busan13
    13 hours of daylight per day
  • No heat & humidity in April in Busan0
    No heat & humidity
  • 149 mm monthly rainfall in April in Busan149
    149 mm of monthly rainfall
  • UV (maximum) index 7 (High) in April in Busan7
    7 (High) UV index
  • 14°C sea temperature in April in Busan14
    14°C sea temperature

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The April 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Busan in April?

Daytime temperatures usually reach 18°C in Busan in April, falling to 9°C at night.

How sunny is it in Busan in April?

There are normally 7 hours of bright sunshine each day in Busan in April - that's 52% of daylight hours.

How warm is the sea around Busan in April?

The average sea temperature around Busan in April is 14°C.

Does it rain in Busan in April?

There are usually 11 days with some rain in Busan in April and the average monthly rainfall is 149mm.

Busan April sunrise & sunset times

Browse the sunrise and sunset times for Busan in April 2026. Select a month to view Busan sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2026 06:11 18:45
Wednesday, 15th April 2026 05:52 18:56
Thursday, 30th April 2026 05:34 19:08

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