Water temperature in Jeju City
85.6
°F
August 30, 04:35
Trend:
increasingYesterday:
85.2°FTomorrow:
85.8°F
Sunrise:
Sunset:
Day Length:
12 h. 57 min.Jeju City in September
Minimum:
59.4°FAverage:
60.9°FMaximum:
62.0°FSea water temperature in Jeju City today
As of now, in Jeju City, the water temperature is 85.6°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 4.3°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 rise a bit.Recent sea temperature and forecast
Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 84.7°F on 2025, while the historical minimum was 77.1°F on 2018.
Daily water temperature in Jeju City
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Aug 16 | 81.3°F | 81.9°F | 82.5°F |
| Aug 17 | 80.7°F | 80.2°F | 82.1°F |
| Aug 18 | 80.9°F | 81.0°F | 82.3°F |
| Aug 19 | 80.5°F | 83.3°F | 82.2°F |
| Aug 20 | 81.9°F | 83.2°F | 82.4°F |
| Aug 21 | 82.1°F | 83.7°F | 82.3°F |
| Aug 22 | 83.4°F | 84.1°F | 82.4°F |
| Aug 23 | 83.4°F | 85.3°F | 82.6°F |
| Aug 24 | 84.1°F | 85.2°F | 82.4°F |
| Aug 25 | 84.2°F | 84.8°F | 82.5°F |
| Aug 26 | 84.5°F | 84.9°F | 82.3°F |
| Aug 27 | 83.9°F | 85.7°F | 82.0°F |
| Aug 28 | 84.6°F | 84.5°F | 81.6°F |
| Aug 29 | 85.2°F | 83.2°F | 80.9°F |
| Aug 30 | 85.6°F | 84.7°F | 81.2°F |
| Aug 31 | 85.8°F | 84.2°F | 81.5°F |
| Sep 1 | 85.3°F | 85.7°F | 81.0°F |
| Sep 2 | 85.1°F | 85.4°F | 80.8°F |
| Sep 3 | 84.7°F | 85.7°F | 80.4°F |
| Sep 4 | 84.2°F | 83.7°F | 79.9°F |
| Sep 5 | 83.9°F | 83.9°F | 79.6°F |
| Sep 6 | 84.2°F | 83.2°F | 79.9°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.