July weather forecast and climate
Jeju, South Korea

A high sunrise Panorama of the Jeju Island in Jeju, South Korea
A high sunrise Panorama of the Jeju Island in Jeju, South Korea

What is the temperature in July in Jeju?

In Jeju, South Korea, in July, the average high-temperature is 29°C (84.2°F), and the average low-temperature is 23.3°C (73.9°F).

How many days does it rain in July in Jeju?

In Jeju, in July, during 12.5 rainfall days, typically, 239.9mm (9.4") of precipitation is accumulated.

What is the sea temperature in July in Jeju?

In Jeju, South Korea, in July, the average water temperature is 24.5°C (76.1°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.5°C (76.1°F).
Average temperature in July - Jeju, South Korea
  • Average high temperature in July: 29°C

The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in July: 23.3°C

The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (3.2°C).

Average humidity in July - Jeju, South Korea
  • Average humidity in July: 78.3%

The month with the highest relative humidity is July (78.3%).
Months with the lowest relative humidity are February and March (64.9%).

Average rainfall in July - Jeju, South Korea
  • Average rainfall in July: 239.9mm

The wettest month (with the highest rainfall) is August (262.5mm).
The driest month (with the lowest rainfall) is December (47.7mm).

Average rainfall days in July - Jeju, South Korea
  • Average rainfall days in July: 12.5 days

The month with the highest number of rainy days is August (13.5 days).
The month with the lowest number of rainy days is October (7 days).

Average sea temperature in July - Jeju, South Korea
  • Average sea temperature in July: 24.5°C

The best month for swimming (with the highest average sea temperature) is August (26.2°C).
The coldest month (with the lowest average sea temperature) is March (13.3°C).

Average daylight in July / Average sunshine in July - Jeju, South Korea
  • Average daylight in July: 14.1h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 10h).

  • Average sunshine in July: 6.3h

The month with most sunshine is May (Average sunshine: 6.8h).
The month with least sunshine is January (Average sunshine: 2.3h).

Average UV index in July - Jeju, South Korea
  • Average UV index in July: 11

The month with the highest UV index is July (UV index 11).
Months with the lowest UV index are January and December (UV index 3).

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