What is the current water temperature in Ansan-si?

Q: What is the current water temperature in Ansan-si?

As of now, in Ansan-si, the water temperature is 2.95°C. 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.

South Korea > Ansan-si

Water temperature in Ansan-si

Detailed information about the current water temperature in Ansan-si. 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.

37.3

°F

January 26, 05:39

Trend:

decreasing

Yesterday:

37.3°F

Tomorrow:

37.3°F

Sunrise:

07:41

Sunset:

17:50

Day Length:

10 h. 9 min.

Ansan-si in February

Minimum:

41.0°F

Average:

42.8°F

Maximum:

45.0°F

Sea water temperature in Ansan-si today

As of now, in Ansan-si, the water temperature is 37.3°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 2.2°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 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 42.3°F on 2020, while the historical minimum was 37.1°F on 2025.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 36.5°F, the minimum temperature may reach 35.9°F, and the maximum might stay at 37.3°F.

Daily water temperature in Ansan-si

Date	Current Year actual* / forecast**	last year	10 years average
Jan 12	39.4°F	39.9°F	40.6°F
Jan 13	39.3°F	39.7°F	40.5°F
Jan 14	39.2°F	39.8°F	40.4°F
Jan 15	39.3°F	39.5°F	40.3°F
Jan 16	37.7°F	39.7°F	39.9°F
Jan 17	37.7°F	38.6°F	39.8°F
Jan 18	37.6°F	37.8°F	39.5°F
Jan 19	37.7°F	38.1°F	39.5°F
Jan 20	38.0°F	38.4°F	39.6°F
Jan 21	37.4°F	38.5°F	39.5°F
Jan 22	36.1°F	38.6°F	39.3°F
Jan 23	36.8°F	38.2°F	39.5°F
Jan 24	37.1°F	38.6°F	39.4°F
Jan 25	37.3°F	38.0°F	39.6°F
Jan 26	37.3°F	37.1°F	39.5°F
Jan 27	37.3°F	37.2°F	39.5°F
Jan 28	37.1°F	37.4°F	39.3°F
Jan 29	36.6°F	37.4°F	38.8°F
Jan 30	36.6°F	37.6°F	38.9°F
Jan 31	36.4°F	37.7°F	38.7°F
Feb 1	36.0°F	37.6°F	38.2°F
Feb 2	35.9°F	37.1°F	38.1°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 Ansan-si by month

In Ansan-si, the months July through September offer comfortable swimming conditions, which amounts to 82 swimming days.

The warmest water in Ansan-si was recorded on August 16, 2024, reaching a 84.2°F. While the coldest temperature occurred on February 27, 2022, dipping to 33.7°F. The average readings by season are 42.0°F in Winter, 49.5°F in Spring, 74.0°F in Summer, and 67.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Anyang-si	37.4°F	7mi
Hwaseong-si	37.5°F	8mi
Incheon	36.8°F	11mi
Bucheon-si	36.7°F	12mi
Goyang-si	37.4°F	23mi

* current water temperature in this city

** straight line distance from Ansan-si