All data are in degrees Fahrenheit

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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.
Sea temperature in Jeju City now

57.1

°F

April 19, 10:03

Trend:

stable

Yesterday:

57.1°F

Tomorrow:

57.1°F

Sunrise:

06:00

Sunset:

19:07

Day Length:

13 h. 7 min.

Jeju City in April

Minimum:

59.1°F

Average:

60.8°F

Maximum:

61.8°F

Sea water temperature in Jeju City today

As of now, in Jeju City, the water temperature is 57.1°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 2.0°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 61.1°F on 2024, while the historical minimum was 56.4°F on 2015.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 57.6°F, with minimum temperature starting at 57.1°F, while the maximum might reach 57.9°F.

Daily water temperature in Jeju City

Date Current Year

actual* / forecast**

last year 10 years average
Apr 5 56.6°F 59.9°F 58.7°F
Apr 6 57.2°F 59.8°F 58.7°F
Apr 7 57.1°F 59.4°F 58.4°F
Apr 8 57.8°F 59.3°F 58.4°F
Apr 9 56.9°F 60.2°F 58.5°F
Apr 10 57.1°F 60.7°F 58.7°F
Apr 11 57.9°F 60.1°F 58.6°F
Apr 12 57.9°F 60.2°F 58.6°F
Apr 13 57.7°F 60.7°F 58.5°F
Apr 14 58.2°F 60.9°F 58.8°F
Apr 15 57.7°F 60.9°F 58.5°F
Apr 16 57.7°F 60.3°F 58.6°F
Apr 17 58.1°F 60.6°F 58.9°F
Apr 18 57.1°F 61.4°F 59.1°F
Apr 19 57.1°F 61.1°F 59.1°F
Apr 20 57.1°F 61.1°F 59.2°F
Apr 21 57.1°F 61.0°F 59.1°F
Apr 22 57.6°F 61.0°F 59.6°F
Apr 23 57.7°F 60.9°F 59.7°F
Apr 24 57.8°F 60.8°F 59.8°F
Apr 25 57.7°F 61.3°F 59.7°F
Apr 26 57.9°F 61.2°F 59.9°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 97 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 12, 2015, dipping to 53.5°F. The average readings by season are 60.0°F in Winter, 59.5°F in Spring, 75.6°F in Summer, and 72.4°F in Autumn.