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

77.7

°F

October 20, 02:16

Trend:

stable

Yesterday:

77.8°F

Tomorrow:

77.8°F

Sunrise:

06:42

Sunset:

17:55

Day Length:

11 h. 13 min.

Jeju City in October

Minimum:

59.0°F

Average:

60.4°F

Maximum:

61.3°F

Sea water temperature in Jeju City today

As of now, in Jeju City, the water temperature is 77.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 6.3°F higher 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 considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 74.6°F on 2024, while the historical minimum was 68.3°F on 2022.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 77.4°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
Oct 6 80.5°F 76.7°F 74.9°F
Oct 7 79.9°F 76.4°F 74.3°F
Oct 8 79.4°F 76.4°F 74.4°F
Oct 9 77.9°F 75.4°F 74.0°F
Oct 10 77.0°F 75.1°F 73.7°F
Oct 11 77.8°F 76.2°F 74.0°F
Oct 12 78.7°F 77.2°F 73.6°F
Oct 13 78.3°F 77.1°F 73.2°F
Oct 14 80.7°F 76.6°F 73.3°F
Oct 15 80.3°F 77.1°F 73.4°F
Oct 16 80.7°F 76.4°F 73.3°F
Oct 17 80.0°F 75.8°F 72.9°F
Oct 18 78.4°F 75.6°F 72.6°F
Oct 19 77.8°F 74.9°F 71.5°F
Oct 20 77.7°F 74.6°F 71.4°F
Oct 21 77.8°F 74.0°F 71.5°F
Oct 22 77.6°F 73.7°F 71.3°F
Oct 23 77.4°F 73.8°F 71.2°F
Oct 24 77.3°F 74.2°F 71.0°F
Oct 25 77.3°F 73.4°F 71.1°F
Oct 26 77.2°F 73.1°F 70.9°F
Oct 27 77.0°F 73.1°F 70.7°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 101 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, 75.7°F in Summer, and 72.6°F in Autumn.