All data are in degrees Fahrenheit

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Water temperature in Incheon

Detailed information about the current water temperature in Incheon. 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 Incheon now

43.6

°F

December 22, 14:04

Trend:

decreasing

Yesterday:

43.8°F

Tomorrow:

43.4°F

Sunrise:

07:45

Sunset:

17:19

Day Length:

9 h. 34 min.

Incheon in December

Minimum:

38.0°F

Average:

39.6°F

Maximum:

42.6°F

Sea water temperature in Incheon today

As of now, in Incheon, the water temperature is 43.6°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 1.2°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 fall a bit.

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 minimum temperature for this date. The maximum temperature recorded for this date was 47.5°F on 2016, while the historical minimum was 43.4°F on 2022.

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 42.8°F, the minimum temperature may reach 42.0°F, and the maximum might stay at 43.4°F.

Daily water temperature in Incheon

Date Current Year

actual* / forecast**

last year 10 years average
Dec 8 48.5°F 47.3°F 49.0°F
Dec 9 47.8°F 47.0°F 48.7°F
Dec 10 47.7°F 47.1°F 48.4°F
Dec 11 47.4°F 46.8°F 48.1°F
Dec 12 47.0°F 46.6°F 47.7°F
Dec 13 46.9°F 46.1°F 47.4°F
Dec 14 46.3°F 46.1°F 47.0°F
Dec 15 46.3°F 46.0°F 46.7°F
Dec 16 46.5°F 46.0°F 46.5°F
Dec 17 45.4°F 46.0°F 46.0°F
Dec 18 44.6°F 45.7°F 45.6°F
Dec 19 43.8°F 45.8°F 45.4°F
Dec 20 43.8°F 45.5°F 45.1°F
Dec 21 43.8°F 44.2°F 45.0°F
Dec 22 43.6°F 43.9°F 44.8°F
Dec 23 43.4°F 44.0°F 44.6°F
Dec 24 43.2°F 43.8°F 44.4°F
Dec 25 43.2°F 43.9°F 44.4°F
Dec 26 42.8°F 43.3°F 44.0°F
Dec 27 42.6°F 43.4°F 43.8°F
Dec 28 42.2°F 42.7°F 43.4°F
Dec 29 42.0°F 42.6°F 43.2°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 Incheon by month

In Incheon, the months July through September offer comfortable swimming conditions, which amounts to 82 swimming days.
The warmest water in Incheon was recorded on August 18, 2024, reaching a 85.3°F. While the coldest temperature occurred on February 8, 2023, dipping to 34.3°F. The average readings by season are 41.3°F in Winter, 49.8°F in Spring, 74.1°F in Summer, and 66.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Bucheon-si 44.0°F 5mi
Ansan-si 44.4°F 11mi
Anyang-si 44.5°F 13mi
Goyang-si 43.9°F 16mi
Hwaseong-si 44.6°F 18mi

* current water temperature in this city

** straight line distance from Incheon