Busan weather in May 2025

Expect 22°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Busan in May. Check more long-term weather averages for Busan in May before you book your next holiday to South Korea in 2025/2026.

  • 22°C maximum daytime temperature in May in Busan22
    22°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in May in Busan10
    10 days with some rainfall
  • 13°C minimum night-time temperature in May in Busan13
    13°C min night temperature
  • 14 hours of daylight per day in May in Busan14
    14 hours of daylight per day
  • No heat & humidity in May in Busan0
    No heat & humidity
  • 142 mm monthly rainfall in May in Busan142
    142 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Busan9
    9 (Very High) UV index
  • 16°C sea temperature in May in Busan16
    16°C sea temperature

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The May 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 May?

Daytime temperatures usually reach 22°C in Busan in May, falling to 13°C at night.

How sunny is it in Busan in May?

There are normally 7 hours of bright sunshine each day in Busan in May - that's 53% of daylight hours.

How warm is the sea around Busan in May?

The average sea temperature around Busan in May is 16°C.

Does it rain in Busan in May?

There are usually 10 days with some rain in Busan in May and the average monthly rainfall is 142mm.

Busan May sunrise & sunset times

Browse the sunrise and sunset times for Busan in May 2025. Select a month to view Busan sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:33 19:09
Friday, 16th May 2025 05:19 19:21
Saturday, 31st May 2025 05:11 19:32

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