What is the current water temperature in Jeju City?

Q: What is the current water temperature in Jeju City?

As of now, in Jeju City, the water temperature is 16.03°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

South Korea > Jeju City

Water temperature in Jeju City

Detailed information about the current water temperature in Jeju City. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

60.9

°F

April 14, 15:22

Trend:

stable

Yesterday:

60.6°F

Tomorrow:

60.5°F

Sunrise:

06:06

Sunset:

19:03

Day Length:

12 h. 57 min.

Jeju City in April

Minimum:

60.1°F

Average:

61.1°F

Maximum:

62.6°F

Sea water temperature in Jeju City today

As of now, in Jeju City, the water temperature is 60.9°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.7°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 60.9°F on 2024, while the historical minimum was 57.8°F on 2017.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 60.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Jeju City

Date	Current Year actual* / forecast**	last year	10 years average
Mar 31	60.2°F	57.4°F	58.6°F
Apr 1	59.4°F	56.7°F	58.4°F
Apr 2	59.7°F	57.6°F	58.7°F
Apr 3	59.7°F	57.0°F	58.8°F
Apr 4	60.1°F	56.4°F	58.9°F
Apr 5	59.7°F	56.6°F	59.0°F
Apr 6	58.4°F	57.2°F	58.9°F
Apr 7	60.0°F	57.1°F	58.8°F
Apr 8	61.0°F	57.8°F	59.0°F
Apr 9	60.2°F	56.9°F	59.0°F
Apr 10	60.3°F	57.1°F	59.1°F
Apr 11	60.4°F	57.9°F	59.1°F
Apr 12	61.1°F	57.9°F	59.1°F
Apr 13	60.6°F	57.7°F	58.9°F
Apr 14	60.9°F	58.2°F	59.1°F
Apr 15	60.5°F	57.7°F	58.8°F
Apr 16	60.6°F	57.7°F	58.9°F
Apr 17	61.0°F	58.1°F	59.3°F
Apr 18	61.0°F	57.1°F	59.3°F
Apr 19	60.9°F	57.2°F	59.1°F
Apr 20	61.0°F	57.4°F	59.3°F
Apr 21	60.9°F	56.2°F	59.2°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Jeju City by month

In Jeju City, the months July through September offer comfortable swimming conditions, which amounts to 106 swimming days.

The warmest water in Jeju City was recorded on August 14, 2016, reaching a 86.5°F. While the coldest temperature occurred on March 6, 2025, dipping to 54.9°F. The average readings by season are 60.3°F in Winter, 59.8°F in Spring, 75.9°F in Summer, and 72.9°F in Autumn.