Search for cities, countries, lakes and rivers
Ulsan
© 유진우
Water Temperature in the East China Sea in Ulsan, South Korea: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Ulsan in South Korea, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Water Temperature in Ulsan
11.6°C
TODAY
11.3°C
YESTERDAY
12.0°C
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the East China Sea in Ulsan is 11.6°C. The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart for East China Sea in Ulsan Over the Last 30 Days
The water temperature in Ulsan today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.
According to our forecast, the sea temperature in Ulsan will rise slightly in the coming days and reach 13.3°C.
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across South Korea to enhance accuracy.
Water temperature data for Ulsan and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Mar 16 | 12.0°C | 13.3°C | |
| Mar 17 | 12.0°C | 13.0°C | |
| Mar 18 | 11.9°C | 13.0°C | |
| Mar 19 | 11.9°C | 13.3°C | |
| Mar 20 | 12.1°C | 13.8°C | |
| Mar 21 | 12.2°C | 13.0°C | |
| Mar 22 | 11.3°C | 14.0°C | |
| Mar 23 | 11.5°C | 14.0°C | |
| Mar 24 | 13.8°C | 11.8°C | |
| Mar 25 | 14.5°C | 12.1°C | |
| Mar 26 | 14.8°C | 12.4°C | |
| Mar 27 | 14.8°C | 12.6°C | |
| Mar 28 | 14.5°C | 12.8°C | |
| Mar 29 | 14.8°C | 13.0°C | |
| Mar 30 | 14.8°C | 13.2°C | |
| Mar 31 | 13.8°C | 13.3°C |
Sea Temperature in Ulsan Throughout the Year
Throughout the year, the sea temperature in Ulsan exceeds 77°F (25°C) for 42 days, exceeds 72°F (22°C) for 105 days, and exceeds 64°F (18°C) for 181 days.
Below is the annual chart of sea temperature changes in the East China Sea in Ulsan.
January
| Minimum | Average | Maximum |
|---|---|---|
| 11°C | 13.5°C | 16°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 11°C | 13°C | 15°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 11°C | 13.5°C | 16°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 12°C | 15°C | 18°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 14°C | 16.5°C | 19°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 17°C | 20.5°C | 24°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 19°C | 23.5°C | 28°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 22°C | 25.5°C | 29°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 20°C | 24.5°C | 29°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 19°C | 22.5°C | 26°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 16°C | 19.5°C | 23°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 11°C | 15.5°C | 20°C |
Monthly Water Temperature Histogram for East China Sea in Ulsan
You can explore detailed data on how the water temperature in Ulsan varies each month:
Ulsan Weather
MARCH 24
10°C / 22°C
overcast clouds: 85-100%humidity: 49% | wind: 4 km/h
MARCH 25
9°C / 14°C
few clouds: 11-25%humidity: 73% | wind: 2 km/h
MARCH 26
11°C / 23°C
light rainhumidity: 74% | wind: 2 km/h
MARCH 27
2°C / 12°C
overcast clouds: 85-100%humidity: 38% | wind: 5 km/h
Sea Temperature in the East China Sea in Ulsan: General Trends and Swimming Opportunities
The coastal areas of South Korea, such as Busan, have a humid subtropical climate with moderate to heavy rainfall throughout the year and mild winters. Summers are typically hot, humid, and rainy, with monsoons, while the spring and fall seasons bring pleasant, mild temperatures.
Ulsan is located in Asia in the Northern Hemisphere at a latitude of 36 degrees, along the shores of the East China Sea. Ulsan lies within in South Korea.
The average annual daytime air temperature in Ulsan is 19°C (66°F), with the average nighttime temperature being 10°C (50°F). The highest average daily temperature occurs in August, reaching 29°C (85°F), while the lowest is in January at 8°C (47°F). As for nighttime temperatures, the minimum average temperature of -2°C (29°F) is recorded in January, and the maximum is in August, reaching 23°C (73°F).
According to historical data, Ulsan experiences 109 rainy days per year, which accounts for 30 percent of all days in the year. On average, there are 9 rainy days each month. The wettest month is August, with 13 rainy days and 245 mm (9.6 inches) of precipitation, while the driest month is October, which typically has 6 rainy days and only 61 mm (2.4 inches) of precipitation.
The average annual water temperature in East China Sea in Ulsan is 19°C (66°F). In January, the water reaches its lowest point of the year at 11°C (52°F), while in August, it peaks at 29°C (84°F). The month suitable for comfortable beach vacations and swimming in the East China Sea is August. During this month, the water temperature stays above 20°C (68°F) and can reach up to 29°C (84°F) on some days.
Geographical Location of Ulsan
Frequently Asked Questions About Ulsan and its Water Temperatures
What is the current sea temperature in Ulsan?
The water temperature today in the East China Sea in Ulsan is 53°F (11.6°C).
In which months is the water temperature in Ulsan comfortable for swimming?
The water temperature in the East China Sea in Ulsan is comfortable for swimming and beach vacations in August.
What is the water temperature in Ulsan during the winter?
The water temperature in the East China Sea in Ulsan during the winter ranges from 11°C to 20°C (52°F to 68°F).
What is the water temperature in Ulsan during the spring?
The water temperature in the East China Sea in Ulsan during the spring ranges from 11°C to 19°C (52°F to 66°F).
What is the water temperature in Ulsan during the summer?
The water temperature in the East China Sea in Ulsan during the summer ranges from 17°C to 29°C (63°F to 84°F).
What is the water temperature in Ulsan during the fall?
The water temperature in the East China Sea in Ulsan during the fall ranges from 16°C to 29°C (61°F to 84°F).
Is it possible to swim in the sea in Ulsan year-round?
No, it is not possible to swim in the East China Sea in Ulsan year-round, the months suitable for comfortable swimming are August.
What sea temperatures can I expect in Ulsan in the next month?
In April, the water temperature in the East China Sea in Ulsan will range between 54°F (12°C) and 64°F (18°C)