Weather in Jeju in May 2019

  • 21°C maximum daytime temperature in May in Jeju21
    21°C max day temperature
  • 7 hours of sunshine per day (52% of daylight hours) in May in Jeju7
    7 hours of sunshine per day
  • 10 days with some rainfall in May in Jeju10
    10 days with some rainfall
  • 13°C minimum night-time temperature in May in Jeju13
    13°C min night temperature
  • 14 hours of daylight per day in May in Jeju14
    14 hours of daylight per day
  • No heat & humidity in May in Jeju0
    No heat & humidity
  • 140 mm monthly rainfall in May in Jeju140
    140 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Jeju9
    9 (Very High) UV index
  • 16°C sea temperature in May in Jeju16
    16°C sea temperature

Going to Jeju? Find the best month to visit Jeju based on the weather.

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Expect 21°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Jeju in May. Check more long-term weather averages for Jeju in May before you book your next holiday to South Korea in 2019/2020.

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More about Jeju

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The May weather guide for Jeju, South Korea 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)

Guide to Jeju weather in May

The average maximum daytime temperature in Jeju in May is a comfortable 21°C (70°F). The average night-time temperature is usually a cool 13°C (55°F). There are usually 7 hours of bright sunshine each day, which represents 52% of the 14 hours of daylight.

Expect 140mm (5.5 inches) of rainfall across the whole of May with 10 days with some rain falling. Maximum UV levels will be very high (9 UV index) at midday when the skies are clear.

The average sea temperature in and around Jeju in May is 16°C (61°F).

Jeju sunrise & sunset times for May 2019

Browse the sunrise & sunset times for Jeju in May 2019. Select a month to view Jeju sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Wednesday, 1st May 2019 05:46 19:16
Thursday, 2nd May 2019 05:45 19:17
Friday, 3rd May 2019 05:44 19:18
Saturday, 4th May 2019 05:43 19:19
Sunday, 5th May 2019 05:42 19:19
Monday, 6th May 2019 05:42 19:20
Tuesday, 7th May 2019 05:41 19:21
Wednesday, 8th May 2019 05:40 19:22
Thursday, 9th May 2019 05:39 19:22
Friday, 10th May 2019 05:38 19:23
Saturday, 11th May 2019 05:37 19:24
Sunday, 12th May 2019 05:36 19:25
Monday, 13th May 2019 05:36 19:25
Tuesday, 14th May 2019 05:35 19:26
Wednesday, 15th May 2019 05:34 19:27
Thursday, 16th May 2019 05:33 19:28
Friday, 17th May 2019 05:33 19:28
Saturday, 18th May 2019 05:32 19:29
Sunday, 19th May 2019 05:31 19:30
Monday, 20th May 2019 05:31 19:30
Tuesday, 21st May 2019 05:30 19:31
Wednesday, 22nd May 2019 05:30 19:32
Thursday, 23rd May 2019 05:29 19:33
Friday, 24th May 2019 05:28 19:33
Saturday, 25th May 2019 05:28 19:34
Sunday, 26th May 2019 05:27 19:35
Monday, 27th May 2019 05:27 19:35
Tuesday, 28th May 2019 05:27 19:36
Wednesday, 29th May 2019 05:26 19:37
Thursday, 30th May 2019 05:26 19:37
Friday, 31st May 2019 05:25 19:38
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