May weather forecast and climate
Busan, South Korea

The Haedong Yonggungsa Temple set on a beautiful hillside in Busan, South Korea
The Haedong Yonggungsa Temple set on a beautiful hillside in Busan, South Korea

What is the temperature in May in Busan?

In May, in Busan, the average high-temperature is 21.7°C (71.1°F), and the average low-temperature is 14.1°C (57.4°F).

How much does it rain in Busan in May?

In Busan, in May, during 9.4 rainfall days, typically 157.4mm (6.2") of precipitation is accumulated.
Average temperature in May - Busan, South Korea
  • Average high temperature in May: 21.7°C

The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (7.8°C).

  • Average low temperature in May: 14.1°C

The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (-0.6°C).

Average humidity in May - Busan, South Korea
  • Average humidity in May: 69.8%

The month with the highest relative humidity is July (84.3%).
The month with the lowest relative humidity is January (48.3%).

Average rainfall in May - Busan, South Korea
  • Average rainfall in May: 157.4mm

The wettest month (with the highest rainfall) is July (316.9mm).
The driest month (with the lowest rainfall) is December (22.8mm).

Average rainfall days in May - Busan, South Korea
  • Average rainfall days in May: 9.4 days

The month with the highest number of rainy days is July (13.6 days).
The month with the lowest number of rainy days is December (4.2 days).

Average sea temperature in May - Busan, South Korea
  • Average sea temperature in May: 16.8°C

The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is March (13.3°C).

Average daylight in May / Average sunshine in May - Busan, South Korea
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in May: 7.2h

The month with most sunshine is May (Average sunshine: 7.2h).
The month with least sunshine is July (Average sunshine: 5.3h).

Average UV index in May - Busan, South Korea
  • Average UV index in May: 9

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 2).

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