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Dadunhai

Water Temperature in the South China Sea in Dadunhai, China: Current, Historical Data and Forecast

On this page, you will find comprehensive information about the sea temperature in Dadunhai in China, 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 Dadunhai

21.2°C

TODAY

21.3°C

YESTERDAY

21.0°C

A WEEK AGO

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the South China Sea in Dadunhai is 21.2°C. The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience.

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 South China Sea in Dadunhai Over the Last 30 Days

The water temperature in Dadunhai 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 Dadunhai will remain nearly unchanged in the coming days, its value will be 22.3°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 China to enhance accuracy.

Water temperature data for Dadunhai 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

DateCurrentAverageForecast
Feb 1621.0°C22.0°C
Feb 1720.8°C22.5°C
Feb 1821.5°C22.0°C
Feb 1921.5°C22.0°C
Feb 2021.3°C22.5°C
Feb 2121.1°C22.0°C
Feb 2221.3°C22.5°C
Feb 2321.2°C23.0°C
Feb 2423.0°C21.4°C
Feb 2523.3°C21.6°C
Feb 2623.8°C21.8°C
Feb 2723.3°C22.0°C
Feb 2822.8°C22.1°C
Mar 122.0°C22.1°C
Mar 223.0°C22.2°C
Mar 322.8°C22.3°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Dadunhai Throughout the Year

Throughout the year, the sea temperature in Dadunhai is always above 64°F (18°C), the sea temperature exceeds 72°F (22°C) for 359 days, and exceeds 77°F (25°C) for 257 days.

Below is the annual chart of sea temperature changes in the South China Sea in Dadunhai.

January

MinimumAverageMaximum
20°C23°C26°C

February

MinimumAverageMaximum
21°C23°C25°C

March

MinimumAverageMaximum
21°C24°C27°C

April

MinimumAverageMaximum
22°C25.5°C29°C

May

MinimumAverageMaximum
25°C27.5°C30°C

June

MinimumAverageMaximum
27°C29°C31°C

July

MinimumAverageMaximum
28°C29.5°C31°C

August

MinimumAverageMaximum
27°C29°C31°C

September

MinimumAverageMaximum
26°C28.5°C31°C

October

MinimumAverageMaximum
25°C28°C31°C

November

MinimumAverageMaximum
24°C26.5°C29°C

December

MinimumAverageMaximum
21°C24.5°C28°C

Monthly Water Temperature Histogram for South China Sea in Dadunhai

You can explore detailed data on how the water temperature in Dadunhai varies each month:

What Beaches Are There In and Around Dadunhai?

Dadong Sea Beach

Dadong Sea Beach is a 5-stars sandy beach, is located directly in Dadunhai. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Dadonghai Beach

Dadonghai Beach is a 3-stars sandy beach, is located directly in Dadunhai. There are cafés. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Da Dong Hai Beach

Da Dong Hai Beach is a 5-stars sandy beach, is located directly in Dadunhai. There are lifeguards on the beach. For those who prefer clothing-optional beaches, Da Dong Hai Beach is a designated nudist beach. There is parking. There are restrooms. There are cafés. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Anantara Sanya Resort & Spa

Anantara Sanya Resort & Spa is a 5-stars sandy beach, located in a 2 km (1 miles) radius of Dadunhai. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.

Link to the location of the beach

Dadunhai Weather

FEBRUARY 24

19°C / 24°C
overcast clouds: 85-100%

humidity: 75% | wind: 5 km/h

FEBRUARY 25

19°C / 23°C
overcast clouds: 85-100%

humidity: 81% | wind: 4 km/h

FEBRUARY 26

18°C / 26°C
overcast clouds: 85-100%

humidity: 77% | wind: 4 km/h

FEBRUARY 27

20°C / 20°C
broken clouds: 51-84%

humidity: 85% | wind: 3 km/h

Hainan, ChinaHainan, ChinaHainan, China

Sea Temperature in the South China Sea in Dadunhai: General Trends and Swimming Opportunities

Original name
大墩海
The Local Time
21:08
Time Zone
UTC+8
Sunrise
07:05
Sunset
18:45
Length of the day
11 h 40 m

The coastal region of Hainan, China experiences a tropical monsoon climate, characterized by high temperatures throughout the year, with an annual average of 23-25°C, and heavy rainfall, particularly during the monsoon season from May to October. The region remains relatively warm even in winter, making it a popular winter getaway.

Dadunhai is located in Asia in the Northern Hemisphere at a latitude of 18 degrees, along the shores of the South China Sea. Dadunhai lies within the Hainan in China.

The average annual daytime air temperature in Dadunhai is 28°C (82°F), with the average nighttime temperature being 23°C (73°F). The highest average daily temperature occurs in July, reaching 32°C (89°F), while the lowest is in January at 22°C (71°F). As for nighttime temperatures, the minimum average temperature of 18°C (64°F) is recorded in January, and the maximum is in June, reaching 26°C (79°F).

According to historical data, Dadunhai experiences 126 rainy days per year, which accounts for 35 percent of all days in the year. On average, there are 10 rainy days each month. The wettest month is August, with 18 rainy days and 200 mm (7.9 inches) of precipitation, while the driest month is January, which typically has 4 rainy days and only 22 mm (0.9 inches) of precipitation.

The average annual water temperature in South China Sea in Dadunhai is 27°C (81°F). In January, the water reaches its lowest point of the year at 20°C (68°F), while in June, it peaks at 31°C (88°F). The months suitable for comfortable beach vacations and swimming in the South China Sea are February, March, April, May, June, July, August, September, October, November, and December. During this period, the water temperature stays above 20°C (68°F) and can reach up to 31°C (88°F) on some days.

Geographical Location of Dadunhai

Frequently Asked Questions About Dadunhai and its Water Temperatures

What is the current sea temperature in Dadunhai?

The water temperature today in the South China Sea in Dadunhai is 70°F (21.2°C).

In which months is the water temperature in Dadunhai comfortable for swimming?

The water temperature in the South China Sea in Dadunhai is comfortable for swimming and beach vacations in February, March, April, May, June, July, August, September, October, November, and December.

What is the water temperature in Dadunhai during the winter?

The water temperature in the South China Sea in Dadunhai during the winter ranges from 20°C to 28°C (68°F to 82°F).

What is the water temperature in Dadunhai during the spring?

The water temperature in the South China Sea in Dadunhai during the spring ranges from 21°C to 30°C (70°F to 86°F).

What is the water temperature in Dadunhai during the summer?

The water temperature in the South China Sea in Dadunhai during the summer ranges from 27°C to 31°C (81°F to 88°F).

What is the water temperature in Dadunhai during the fall?

The water temperature in the South China Sea in Dadunhai during the fall ranges from 24°C to 31°C (75°F to 88°F).

Is it possible to swim in the sea in Dadunhai year-round?

No, it is not possible to swim in the South China Sea in Dadunhai year-round, the months suitable for comfortable swimming are February, March, April, May, June, July, August, September, October, November, and December.

Is Dadunhai a popular tourist destination for beach vacations?

Dadunhai a fairly popular beach destination, offering good conditions for swimming and relaxation, with a steady flow of tourists, especially during peak seasons.

What sea temperatures can I expect in Dadunhai in the next month?

In March, the water temperature in the South China Sea in Dadunhai will range between 70°F (21°C) and 81°F (27°C)