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    Asia

    South Korea weather in May 2025

    Asia

    South Korea weather in May 2025

     

    Day

    21 °C

     

    Night

    14 °C

     

    Sea

    17 °C

     

    Precipitation

    175 mm

    in month

     

    Rainy days

    9 days

    in month

     

    Daylight

    14 hours

    average

     

    Sunshine

    7 hours

    average

     

    Humidity

    76 %

     

    Day

    21 °C

     

    Night

    14 °C

     

    Sea

    17 °C

     

    Precipitation

    175 mm

    in month

     

    Rainy days

    9 days

    in month

     

    Daylight

    14 hours

    average

     

    Sunshine

    7 hours

    average

     

    Humidity

    76 %

    Overview: South Korea
    In South Korea in May, the average air temperature ranges from 21 °C (70 °F) during the day to 14 °C (58 °F) at night. There are 9 days of rain on average, where the rainfall is 175 mm (6.90 in).

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    Aerial view of architecture near Busan on a sunny day with some clouds
    Jeju at sunset time
    Seoul at sunset time

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    Weather overview and FAQs

    Weather overview

    In South Korea in May, the average air temperature ranges from 21 °C (70 °F) during the day to 14 °C (58 °F) at night. There are 9 days of rain on average, where the rainfall is 175 mm (6.90 in).

    Is May a good month to visit South Korea?

    There are good conditions for visiting in South Korea in May. Especially for non-beach activities, such as hiking or sightseeing. The daily temperatures in this month reach pleasant 21 °C (70 °F). You can expect just 9 days of rain during the month, taking an umbrella is not necessary. The temperature of 14 °C (58 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

    What is the temperature in South Korea during the day in May?

    In South Korea in May, the average daily temperatures will be 21 °C (70 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

    What is the sea temperature in May in South Korea?

    In May in South Korea expect the sea to be warm at 17 °C (62 °F). At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions.

    What is the air temperature in May in South Korea at night?

    The average night temperature in South Korea in May is 14 °C (58 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold.

    How many rainy days can I expect in May in South Korea?

    In South Korea in May, we can expect 9 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.1 days of the week, or in general - 29 % days.

    How long is the day (from dawn till dusk) in South Korea in May?

    The length of daylight in South Korea in May is 14 hours.

    How heavy is the precipitation in May in South Korea?

    In South Korea in May, there is 175 mm (6.90 in) rainfall, which means on average 6 mm (0.23 in) rainfall per day.

    How many sunny hours can I expect in South Korea in May?

    In May in South Korea, you can expect around 7 hours of sunshine.

    Is there a wet season in South Korea in May?

    No, there is no wet season in South Korea in May - you can expect 9 days of rain during the month.

    How does the sea temperature evolve during the month in May in South Korea?

    The sea temperature during May in South Korea has an increasing tendency from 16 °C (60 °F) at the beginning of the month to 18 °C (65 °F) at the end of the month.

    Is the temperature rising or falling in the course of time in South Korea in May?

    Over the course of May in South Korea, the temperatures are rising from 19 °C (67 °F) at the beginning of the month to 23 °C (73 °F) at the end of the month.

    What level of humidity is to expect in South Korea in May?

    Humidity in South Korea in May is 76 %.

    How windy is it in May in South Korea?

    An average wind scale that can be expected in South Korea in May is 4.

    Is South Korea rainier in May than in April?

    No, in South Korea in May it does not rain more than in April.

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