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Water Temperature in the South China Sea in Hong Kong, Hong Kong: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Hong Kong in Hong Kong, 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 Hong Kong
20.4°C
TODAY
19.0°C
YESTERDAY
18.7°C
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the South China Sea in Hong Kong is 20.4°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 Hong Kong Over the Last 30 Days
The water temperature in Hong Kong 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 Hong Kong will rise slightly in the coming days and reach 21.7°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 Hong Kong to enhance accuracy.
Water temperature data for Hong Kong 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 20 | 18.7°C | 21.0°C | |
| Mar 21 | 18.5°C | 21.3°C | |
| Mar 22 | 18.2°C | 21.3°C | |
| Mar 23 | 17.9°C | 21.5°C | |
| Mar 24 | 18.3°C | 21.8°C | |
| Mar 25 | 18.4°C | 21.8°C | |
| Mar 26 | 19.0°C | 21.5°C | |
| Mar 27 | 19.8°C | 21.8°C | |
| Mar 28 | 22.0°C | 20.6°C | |
| Mar 29 | 22.5°C | 20.8°C | |
| Mar 31 | 22.0°C | 20.9°C | |
| Apr 1 | 22.3°C | 21.0°C | |
| Apr 2 | 22.5°C | 21.2°C | |
| Apr 3 | 22.8°C | 21.4°C | |
| Apr 4 | 22.8°C | 21.5°C | |
| Apr 5 | 23.0°C | 21.7°C |
Sea Temperature in Hong Kong Throughout the Year
Throughout the year, the sea temperature in Hong Kong is always above 64°F (18°C), the sea temperature exceeds 72°F (22°C) for 260 days, and exceeds 77°F (25°C) for 187 days.
Below is the annual chart of sea temperature changes in the South China Sea in Hong Kong.
January
| Minimum | Average | Maximum |
|---|---|---|
| 17°C | 19°C | 21°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 17°C | 19.5°C | 22°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 17°C | 20.5°C | 24°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 19°C | 22.5°C | 26°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 23°C | 26.5°C | 30°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 25°C | 28°C | 31°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 27°C | 29.5°C | 32°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 27°C | 29.5°C | 32°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 26°C | 28°C | 30°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 23°C | 26.5°C | 30°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 22°C | 24.5°C | 27°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 16°C | 20.5°C | 25°C |
Monthly Water Temperature Histogram for South China Sea in Hong Kong
You can explore detailed data on how the water temperature in Hong Kong varies each month:
What Beaches Are There In and Around Hong Kong?
Nam Wan / Nan Wan
Nam Wan / Nan Wan is a 2-stars pebble beach, located in a 6 km (4 miles) radius of Hong Kong. There is parking. There are restrooms. There are cafés. Nam Wan / Nan Wan is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Shui Hao Wan / Shui Kou Wan Sha Ni Tan
Shui Hao Wan / Shui Kou Wan Sha Ni Tan is a 2-stars sandy beach, located in a 8 km (5 miles) radius of Hong Kong. Snorkeling is possible.
Tsin Yue Wan / Jian Yu Wan
Tsin Yue Wan / Jian Yu Wan is a 2-stars sandy beach, located in a 9 km (6 miles) radius of Hong Kong. Snorkeling is possible.
Chung Hom Kok Beach
Chung Hom Kok Beach is a 1-stars sandy beach, located in a 9 km (6 miles) radius of Hong Kong.
Sandy Bay Swimming Shed / Sha Wan Yong Peng
Sandy Bay Swimming Shed / Sha Wan Yong Peng is a 3-stars sandy beach, located in a 9 km (6 miles) radius of Hong Kong. There is parking. There are cafés. Sandy Bay Swimming Shed / Sha Wan Yong Peng is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.
Outward Bound - Wong Wan Chau Base
Outward Bound - Wong Wan Chau Base is a 2-stars sandy beach, located in a 10 km (6 miles) radius of Hong Kong. There is parking. Outward Bound - Wong Wan Chau Base is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.
Hong Kong Weather
MARCH 29
17°C / 20°C
overcast clouds: 85-100%humidity: 59% | wind: 3 km/h
MARCH 30
16°C / 18°C
overcast clouds: 85-100%humidity: 62% | wind: 5 km/h
MARCH 31
16°C / 20°C
light rainhumidity: 59% | wind: 5 km/h
Sea Temperature in the South China Sea in Hong Kong: General Trends and Swimming Opportunities
Hong Kong's coastal climate is subtropical with hot, humid summers and mild, cool winters. It experiences heavy seasonal rainfall, with the majority falling between June and August during the monsoon season.
Hong Kong is located in Asia in the Northern Hemisphere at a latitude of 22 degrees, along the shores of the South China Sea. Hong Kong lies within in Hong Kong.
The average annual daytime air temperature in Hong Kong is 28°C (82°F), with the average nighttime temperature being 21°C (70°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 13°C (56°F) is recorded in January, and the maximum is in August, reaching 27°C (80°F).
According to historical data, Hong Kong 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 357 mm (14.1 inches) of precipitation, while the driest month is January, which typically has 4 rainy days and only 23 mm (0.9 inches) of precipitation.
The average annual water temperature in South China Sea in Hong Kong is 25°C (77°F). In December, the water reaches its lowest point of the year at 16°C (61°F), while in July, it peaks at 32°C (90°F). The months suitable for comfortable beach vacations and swimming in the South China Sea are May, June, July, August, September, October, and November. During this period, the water temperature stays above 20°C (68°F) and can reach up to 32°C (90°F) on some days.
Geographical Location of Hong Kong
Frequently Asked Questions About Hong Kong and its Water Temperatures
What is the current sea temperature in Hong Kong?
The water temperature today in the South China Sea in Hong Kong is 69°F (20.4°C).
In which months is the water temperature in Hong Kong comfortable for swimming?
The water temperature in the South China Sea in Hong Kong is comfortable for swimming and beach vacations in May, June, July, August, September, October, and November.
What is the water temperature in Hong Kong during the winter?
The water temperature in the South China Sea in Hong Kong during the winter ranges from 16°C to 25°C (61°F to 77°F).
What is the water temperature in Hong Kong during the spring?
The water temperature in the South China Sea in Hong Kong during the spring ranges from 17°C to 30°C (63°F to 86°F).
What is the water temperature in Hong Kong during the summer?
The water temperature in the South China Sea in Hong Kong during the summer ranges from 25°C to 32°C (77°F to 90°F).
What is the water temperature in Hong Kong during the fall?
The water temperature in the South China Sea in Hong Kong during the fall ranges from 22°C to 30°C (72°F to 86°F).
Is it possible to swim in the sea in Hong Kong year-round?
No, it is not possible to swim in the South China Sea in Hong Kong year-round, the months suitable for comfortable swimming are May, June, July, August, September, October, and November.
Is Hong Kong a popular tourist destination for beach vacations?
Hong Kong 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 Hong Kong in the next month?
In April, the water temperature in the South China Sea in Hong Kong will range between 66°F (19°C) and 79°F (26°C)