World sea water temperatures

South China Sea water temperature in January

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In January sea water temperature in some cities on the South China Sea coast is above 20°C and it is enough for comfortable bathing. The warmest average water temperature South China Sea in January is 28.6°C (in Bandar Seri Begawan, Brunei), and the coldest sea surface temperature is 18.5°C (in Yung Shue Wan, Hong Kong). To find out the sea temperature today and in the coming days, go to Current sea temperature of the South China Sea

Where you can swim in the South China Sea in January?

This data on the average monthly surface water temperature on the South China Sea coast in January. To see the details, select the country and then the city of your interest. Besides water temperature, you can also get information about the weather for today, tomorrow and the upcoming days, surf forecast, as well as the data on sunrise/sunset and moonrise/moonset at a given point on any given day.

 
2025
2024
2023
2022
2021
18.8°C
21°C
19.3°C
20°C
18.9°C
21.1°C
22°C
21.6°C
21.7°C
21°C
23.4°C
24.3°C
24.2°C
24.6°C
23.3°C
29.1°C
28.8°C
28.7°C
28.5°C
28.5°C
27.3°C
27.4°C
26.8°C
27.2°C
27.6°C
23.7°C
25.4°C
24.5°C
25.1°C
23.8°C
23.7°C
24.5°C
24.3°C
24.6°C
23.3°C

Countries bordering the South China Sea

Water temps of the South China Sea coast monthly

Where is the warm sea water in January?

Want to know where the water temperature in January is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 16°C
 Average temperature  Maximum temperature

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Our report for South China Sea is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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