All data are in degrees Fahrenheit

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Water temperature in Hwaseong-si

Detailed information about the current water temperature in Hwaseong-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.
Sea temperature in Hwaseong-si now

76.5

°F

September 10, 08:08

Trend:

stable

Yesterday:

76.5°F

Tomorrow:

76.6°F

Sunrise:

06:10

Sunset:

18:49

Day Length:

12 h. 39 min.

Hwaseong-si in September

Minimum:

39.8°F

Average:

41.4°F

Maximum:

45.4°F

Sea water temperature in Hwaseong-si today

As of now, in Hwaseong-si, the water temperature is 76.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.6°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 rise 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 also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 78.5°F on 2025, while the historical minimum was 73.1°F on 2023.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 76.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Hwaseong-si

Date Current Year

actual* / forecast**

last year 10 years average
Aug 27 80.0°F 79.8°F 78.3°F
Aug 28 80.0°F 79.5°F 77.9°F
Aug 29 79.2°F 80.3°F 77.7°F
Aug 30 79.2°F 80.4°F 77.7°F
Aug 31 79.5°F 79.7°F 77.3°F
Sep 1 79.3°F 80.1°F 77.4°F
Sep 2 78.9°F 80.4°F 77.5°F
Sep 3 79.3°F 80.7°F 77.6°F
Sep 4 79.2°F 80.7°F 77.6°F
Sep 5 78.9°F 79.4°F 77.4°F
Sep 6 78.7°F 79.5°F 77.3°F
Sep 7 78.0°F 79.9°F 77.0°F
Sep 8 77.8°F 79.2°F 76.4°F
Sep 9 76.5°F 78.9°F 75.9°F
Sep 10 76.5°F 78.5°F 75.9°F
Sep 11 76.6°F 78.1°F 76.0°F
Sep 12 76.5°F 78.1°F 75.9°F
Sep 13 76.4°F 77.9°F 75.8°F
Sep 14 76.4°F 77.7°F 75.8°F
Sep 15 76.2°F 76.8°F 75.6°F
Sep 16 75.8°F 76.1°F 75.2°F
Sep 17 75.5°F 76.0°F 74.9°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 Hwaseong-si by month

In Hwaseong-si, the months July through September offer comfortable swimming conditions, which amounts to 81 swimming days.
The warmest water in Hwaseong-si was recorded on August 16, 2024, reaching a 83.9°F. While the coldest temperature occurred on February 16, 2026, dipping to 32.8°F. The average readings by season are 42.0°F in Winter, 49.6°F in Spring, 74.0°F in Summer, and 67.0°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Ansan-si 76.6°F 8mi
Anyang-si 76.5°F 14mi
Incheon 78.7°F 18mi
Bucheon-si 78.2°F 20mi
Goyang-si 76.6°F 31mi

* current water temperature in this city

** straight line distance from Hwaseong-si