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
March, the first month of the spring, in Jeju, is a cool month, with average temperature varying between 6.1°C (43°F) and 12.8°C (55°F).

Temperature

In Jeju, South Korea, the average high-temperature in March slightly increases, from a chilly 9.4°C (48.9°F) in February, to a cool 12.8°C (55°F). In March, in Jeju, the average low-temperature is 6.1°C (43°F).

Humidity

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

Rainfall

In Jeju, South Korea, it is raining for 11.2 days, with typically 88.6mm (3.5") of accumulated precipitation. Throughout the year, in Jeju, South Korea, there are 130.2 rainfall days, and 1497.7mm (59") of precipitation is accumulated.

Sea temperature

March is the month with the coldest seawater, with an average sea temperature of 13.3°C (55.9°F).
Note: 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.

Daylight

The average length of the day in Jeju is 12h.

Sunshine

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

UV index

In Jeju, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: In March, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in March in Jeju?

In March, in Jeju, South Korea, 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?

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

What is the average humidity in March in Jeju?

In March, the average relative humidity in Jeju is 64.9%.

How much does it rain in Jeju in March?

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, South Korea, with an average sea temperature of 13.3°C (55.9°F).

What is the water temperature in March in Jeju?

In March, the average sea temperature in Jeju is 13.3°C (55.9°F). Swimming in 13.3°C (55.9°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in March in Jeju?

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

How many hours of sunshine does Jeju have in March?

The average sunshine in March in Jeju, South Korea, is 5.1h.

What is the UV index intensity in March in Jeju?

In March, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from the exposure to the Sun's UV radiation.
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).