Jeju
South Korea
Long-term weather forecast
Long-term weather forecast

March 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
The first month of the spring, March, is a cool month in Jeju, South Korea, with average temperature ranging between min 6.1°C (43°F) and max 12.8°C (55°F).

Temperature

In March, the average high-temperature marginally rises, from a chilly 9.4°C (48.9°F) in February, to a fresh 12.8°C (55°F). The average low-temperature, in March, is 6.1°C (43°F).

Humidity

February and March, with an average relative humidity of 64.9%, are the least humid months in Jeju.

Rainfall

In Jeju, in March, it is raining for 11.2 days, with typically 88.6mm (3.5") of accumulated precipitation. In Jeju, during the entire year, the rain falls for 130.2 days and collects up to 1497.7mm (59") of precipitation.

Sea temperature

With an average sea temperature of 13.3°C (55.9°F), March is the month with the coldest seawater. At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In Jeju, the average length of the day in March is 12h.

Sunshine

In Jeju, the average sunshine in March is 5.1h.

UV index

The average daily maximum UV index in Jeju is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV radiation for the average person.
The daily maximum UV index of 6 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in March in Jeju?

In Jeju, South Korea, in March, the average high-temperature is 12.8°C (55°F), and the average low-temperature is 6.1°C (43°F).

What are the least humid months in Jeju?

Months with the lowest humidity are February and March, with an average relative humidity of 64.9%.

What is the average humidity in March in Jeju?

The average relative humidity in March in Jeju is 64.9%.

How many days does it rain in March in Jeju?

In Jeju, in March, during 11.2 rainfall days, 88.6mm (3.5") of precipitation is typically accumulated.

What is the month with the coldest sea water in Jeju?

March is the month with the coldest seawater in Jeju, with an average sea temperature of 13.3°C (55.9°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the sea water temperature in March in Jeju?

In March, the average sea temperature in Jeju, South Korea, is 13.3°C (55.9°F). Swimming in 13.3°C (55.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Jeju have in March?

In March, the average length of the day in Jeju is 12h.

How many hours of sunshine does Jeju have in March?

In March, the average sunshine in Jeju is 5.1h.

What is the UV index reading in March in Jeju?

In March, the average daily maximum UV index in Jeju, South Korea, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in March - Jeju, South Korea
  • Average high temperature in March: 12.8°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 March: 6.1°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 March - Jeju, South Korea
  • Average humidity in March: 64.9%

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 March - Jeju, South Korea
  • Average rainfall in March: 88.6mm

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 March - Jeju, South Korea
  • Average rainfall days in March: 11.2 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 March - Jeju, South Korea
  • Average sea temperature in March: 13.3°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 March / Average sunshine in March - Jeju, South Korea
  • Average daylight in March: 12h

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 March: 5.1h

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 March - Jeju, South Korea
  • Average UV index in March: 6

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).